diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 000000000..a5b73c0d8
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,4 @@
+language: scala
+scala:
+   - 2.10.5
+   - 2.11.7
diff --git a/build.sbt b/build.sbt
index 39eceba3f..71e663210 100644
--- a/build.sbt
+++ b/build.sbt
@@ -7,11 +7,12 @@ def commonSettings: Seq[Setting[_]] = Seq(
   // publishArtifact in packageDoc := false,
   resolvers += Resolver.typesafeIvyRepo("releases"),
   resolvers += Resolver.sonatypeRepo("snapshots"),
+  resolvers += Resolver.bintrayRepo("sbt", "maven-releases"),
   // concurrentRestrictions in Global += Util.testExclusiveRestriction,
   testOptions += Tests.Argument(TestFrameworks.ScalaCheck, "-w", "1"),
   javacOptions in compile ++= Seq("-target", "6", "-source", "6", "-Xlint", "-Xlint:-serial"),
   incOptions := incOptions.value.withNameHashing(true),
-  // crossScalaVersions := Seq(scala210)
+  crossScalaVersions := Seq(scala210, scala211),
   // bintrayPackage := (bintrayPackage in ThisBuild).value,
   // bintrayRepository := (bintrayRepository in ThisBuild).value,
   resolvers += Resolver.sonatypeRepo("public")
@@ -47,7 +48,8 @@ lazy val root = (project in file(".")).
 lazy val lm = (project in file("librarymanagement")).
   settings(
     commonSettings,
-    libraryDependencies ++= Seq(utilLogging, ioProj, utilCollection),
-    libraryDependencies ++= Seq(ivy, jsch, sbtSerialization, scalaReflect.value, launcherInterface),
+    libraryDependencies ++= Seq(utilLogging, utilLogging),
+    libraryDependencies ++= Seq(sbtIO, utilCollection, ivy, jsch, sbtSerialization, scalaReflect.value, launcherInterface),
+    resourceGenerators in Compile <+= (version, resourceManaged, streams, compile in Compile) map Util.generateVersionFile,
     name := "librarymanagement"
   )
diff --git a/librarymanagement/src/main/scala/sbt/ConvertResolver.scala b/librarymanagement/src/main/scala/sbt/ConvertResolver.scala
index 9768241d5..9e2f11f63 100644
--- a/librarymanagement/src/main/scala/sbt/ConvertResolver.scala
+++ b/librarymanagement/src/main/scala/sbt/ConvertResolver.scala
@@ -17,6 +17,7 @@ import org.apache.ivy.plugins.repository.file.{ FileRepository => FileRepo, File
 import java.io.{ IOException, File }
 import org.apache.ivy.util.{ FileUtil, ChecksumHelper }
 import org.apache.ivy.core.module.descriptor.{ Artifact => IArtifact }
+import sbt.io.IO
 
 private[sbt] object ConvertResolver {
   import UpdateOptions.ResolverConverter
diff --git a/librarymanagement/src/main/scala/sbt/Credentials.scala b/librarymanagement/src/main/scala/sbt/Credentials.scala
index 464d5de8e..9cbe9d977 100644
--- a/librarymanagement/src/main/scala/sbt/Credentials.scala
+++ b/librarymanagement/src/main/scala/sbt/Credentials.scala
@@ -5,6 +5,7 @@ package sbt
 
 import java.io.File
 import org.apache.ivy.util.url.CredentialsStore
+import sbt.io.IO
 
 object Credentials {
   def apply(realm: String, host: String, userName: String, passwd: String): Credentials =
diff --git a/librarymanagement/src/main/scala/sbt/CustomPomParser.scala b/librarymanagement/src/main/scala/sbt/CustomPomParser.scala
index be98bfe25..8cf372af0 100644
--- a/librarymanagement/src/main/scala/sbt/CustomPomParser.scala
+++ b/librarymanagement/src/main/scala/sbt/CustomPomParser.scala
@@ -13,6 +13,7 @@ import java.io.{ File, InputStream }
 import java.net.URL
 import java.util.regex.Pattern
 import sbt.mavenint.{ PomExtraDependencyAttributes, SbtPomExtraProperties }
+import sbt.io.Hash
 
 @deprecated("We now use an Aether-based pom parser.", "0.13.8")
 final class CustomPomParser(delegate: ModuleDescriptorParser, transform: (ModuleDescriptorParser, ModuleDescriptor) => ModuleDescriptor) extends ModuleDescriptorParser {
diff --git a/librarymanagement/src/main/scala/sbt/DependencyFilter.scala b/librarymanagement/src/main/scala/sbt/DependencyFilter.scala
index fee8da46c..701d179aa 100644
--- a/librarymanagement/src/main/scala/sbt/DependencyFilter.scala
+++ b/librarymanagement/src/main/scala/sbt/DependencyFilter.scala
@@ -3,6 +3,8 @@
  */
 package sbt
 
+import sbt.io.{ AllPassFilter, NameFilter }
+
 trait DependencyFilterExtra {
   def moduleFilter(organization: NameFilter = AllPassFilter, name: NameFilter = AllPassFilter, revision: NameFilter = AllPassFilter): ModuleFilter =
     new ModuleFilter {
@@ -57,4 +59,4 @@ trait ArtifactFilter extends SubDepFilter[Artifact, ArtifactFilter] {
 trait ConfigurationFilter extends SubDepFilter[String, ConfigurationFilter] {
   protected final def make(f: String => Boolean) = new ConfigurationFilter { def apply(m: String) = f(m) }
   final def apply(configuration: String, module: ModuleID, artifact: Artifact): Boolean = apply(configuration)
-}
\ No newline at end of file
+}
diff --git a/librarymanagement/src/main/scala/sbt/IvyActions.scala b/librarymanagement/src/main/scala/sbt/IvyActions.scala
index 33436452c..e3cc20602 100644
--- a/librarymanagement/src/main/scala/sbt/IvyActions.scala
+++ b/librarymanagement/src/main/scala/sbt/IvyActions.scala
@@ -16,6 +16,7 @@ import org.apache.ivy.core.module.descriptor.{ Artifact => IArtifact, MDArtifact
 import org.apache.ivy.core.report.ResolveReport
 import org.apache.ivy.core.resolve.ResolveOptions
 import org.apache.ivy.plugins.resolver.{ BasicResolver, DependencyResolver }
+import sbt.io.{ IO, PathFinder }
 
 final class DeliverConfiguration(val deliverIvyPattern: String, val status: String, val configurations: Option[Seq[Configuration]], val logging: UpdateLogging.Value)
 final class PublishConfiguration(val ivyFile: Option[File], val resolverName: String, val artifacts: Map[Artifact, File], val checksums: Seq[String], val logging: UpdateLogging.Value,
@@ -304,7 +305,7 @@ object IvyActions {
         case None          => None
         case Some(configs) => Some(configs.map(_.name))
       }
-      val existingFiles = PathFinder(base).***.get filterNot { _.isDirectory }
+      val existingFiles = PathFinder(base).allPaths.get filterNot { _.isDirectory }
       val toCopy = new collection.mutable.HashSet[(File, File)]
       val retReport = report retrieve { (conf, mid, art, cached) =>
         configurationNames match {
diff --git a/librarymanagement/src/main/scala/sbt/IvyCache.scala b/librarymanagement/src/main/scala/sbt/IvyCache.scala
index ce2ddd9f2..1e715a278 100644
--- a/librarymanagement/src/main/scala/sbt/IvyCache.scala
+++ b/librarymanagement/src/main/scala/sbt/IvyCache.scala
@@ -12,6 +12,7 @@ import org.apache.ivy.plugins.repository.file.{ FileRepository => IvyFileReposit
 import org.apache.ivy.plugins.repository.{ ArtifactResourceResolver, Resource, ResourceDownloader }
 import org.apache.ivy.plugins.resolver.util.ResolvedResource
 import org.apache.ivy.util.FileUtil
+import sbt.io.Path
 
 class NotInCache(val id: ModuleID, cause: Throwable)
     extends RuntimeException(NotInCache(id, cause), cause) {
diff --git a/librarymanagement/src/main/scala/sbt/JsonUtil.scala b/librarymanagement/src/main/scala/sbt/JsonUtil.scala
index d4db781f7..6ee5bd68a 100644
--- a/librarymanagement/src/main/scala/sbt/JsonUtil.scala
+++ b/librarymanagement/src/main/scala/sbt/JsonUtil.scala
@@ -24,7 +24,7 @@ private[sbt] object JsonUtil {
     }
   def writeUpdateReport(ur: UpdateReport, graphPath: File): Unit =
     {
-      IO.createDirectory(graphPath.getParentFile)
+      sbt.io.IO.createDirectory(graphPath.getParentFile)
       toJsonFile(toLite(ur), graphPath)
     }
   def toLite(ur: UpdateReport): UpdateReportLite =
diff --git a/librarymanagement/src/main/scala/sbt/LogicalClock.scala b/librarymanagement/src/main/scala/sbt/LogicalClock.scala
index d4e1d4cc3..83c516a17 100644
--- a/librarymanagement/src/main/scala/sbt/LogicalClock.scala
+++ b/librarymanagement/src/main/scala/sbt/LogicalClock.scala
@@ -12,7 +12,7 @@ object LogicalClock {
   def apply(hashCode: Int): LogicalClock = {
     def intToByteArray(x: Int): Array[Byte] =
       Array((x >>> 24).toByte, (x >> 16 & 0xff).toByte, (x >> 8 & 0xff).toByte, (x & 0xff).toByte)
-    apply(Hash.toHex(intToByteArray(hashCode)))
+    apply(sbt.io.Hash.toHex(intToByteArray(hashCode)))
   }
   def apply(x: String): LogicalClock = new LogicalClock {
     override def toString: String = x
diff --git a/librarymanagement/src/main/scala/sbt/MakePom.scala b/librarymanagement/src/main/scala/sbt/MakePom.scala
index e2018612f..472dd6cfb 100644
--- a/librarymanagement/src/main/scala/sbt/MakePom.scala
+++ b/librarymanagement/src/main/scala/sbt/MakePom.scala
@@ -21,6 +21,7 @@ import org.apache.ivy.core.settings.IvySettings
 import org.apache.ivy.core.module.descriptor.{ DependencyArtifactDescriptor, DependencyDescriptor, License, ModuleDescriptor, ExcludeRule }
 import org.apache.ivy.plugins.resolver.{ ChainResolver, DependencyResolver, IBiblioResolver }
 import ivyint.CustomRemoteMavenResolver
+import sbt.io.IO
 object MakePom {
   /** True if the revision is an ivy-range, not a complete revision. */
   def isDependencyVersionRange(revision: String): Boolean = {
diff --git a/librarymanagement/src/main/scala/sbt/ResolutionCache.scala b/librarymanagement/src/main/scala/sbt/ResolutionCache.scala
index a68c52417..30b8d74f7 100644
--- a/librarymanagement/src/main/scala/sbt/ResolutionCache.scala
+++ b/librarymanagement/src/main/scala/sbt/ResolutionCache.scala
@@ -12,6 +12,7 @@ import core.module.id.ModuleRevisionId
 import core.module.descriptor.ModuleDescriptor
 import ResolutionCache.{ Name, ReportDirectory, ResolvedName, ResolvedPattern }
 import parser.xml.XmlModuleDescriptorParser
+import sbt.io.IO
 
 /**
  * Replaces the standard Ivy resolution cache in order to:
diff --git a/librarymanagement/src/main/scala/sbt/Resolver.scala b/librarymanagement/src/main/scala/sbt/Resolver.scala
index ce3a2830f..ec2564b43 100644
--- a/librarymanagement/src/main/scala/sbt/Resolver.scala
+++ b/librarymanagement/src/main/scala/sbt/Resolver.scala
@@ -345,9 +345,9 @@ object Resolver {
         case _: IOException          => None
         case e: SAXParseException    => System.err.println(s"WARNING: Problem parsing ${f().getAbsolutePath}, ${e.getMessage}"); None
       }
-    loadHomeFromSettings(() => new File(Path.userHome, ".m2/settings.xml")) orElse
+    loadHomeFromSettings(() => new File(sbt.io.Path.userHome, ".m2/settings.xml")) orElse
       loadHomeFromSettings(() => new File(new File(System.getenv("M2_HOME")), "conf/settings.xml")) getOrElse
-      new File(Path.userHome, ".m2/repository")
+      new File(sbt.io.Path.userHome, ".m2/repository")
   }
   // TODO - should this just be the *exact* same as mavenLocal?  probably...
   def publishMavenLocal: MavenCache = new MavenCache("publish-m2-local", mavenLocalDir)
diff --git a/librarymanagement/src/main/scala/sbt/ivyint/CachedResolutionResolveEngine.scala b/librarymanagement/src/main/scala/sbt/ivyint/CachedResolutionResolveEngine.scala
index a1fc5ddfc..ab0896649 100644
--- a/librarymanagement/src/main/scala/sbt/ivyint/CachedResolutionResolveEngine.scala
+++ b/librarymanagement/src/main/scala/sbt/ivyint/CachedResolutionResolveEngine.scala
@@ -22,6 +22,7 @@ import org.apache.ivy.plugins.matcher.{ MapMatcher, PatternMatcher }
 import Configurations.{ System => _, _ }
 import annotation.tailrec
 import scala.concurrent.duration._
+import sbt.io.{ DirectoryFilter, Hash, IO, Path }
 
 private[sbt] object CachedResolutionResolveCache {
   def createID(organization: String, name: String, revision: String) =
diff --git a/librarymanagement/src/test/scala/BaseIvySpecification.scala b/librarymanagement/src/test/scala/BaseIvySpecification.scala
index a8a19ea76..f4e21c4c0 100644
--- a/librarymanagement/src/test/scala/BaseIvySpecification.scala
+++ b/librarymanagement/src/test/scala/BaseIvySpecification.scala
@@ -1,6 +1,7 @@
 package sbt
 
-import Path._, Configurations._
+import sbt.io.Path._, Configurations._
+import sbt.io.IO
 import java.io.File
 import org.specs2._
 import cross.CrossVersionUtil
diff --git a/librarymanagement/src/test/scala/ComponentManagerTest.scala b/librarymanagement/src/test/scala/ComponentManagerTest.scala
index 165bdf9e2..29017b6a3 100644
--- a/librarymanagement/src/test/scala/ComponentManagerTest.scala
+++ b/librarymanagement/src/test/scala/ComponentManagerTest.scala
@@ -4,7 +4,8 @@ import java.io.File
 import java.util.concurrent.Callable
 import org.specs2._
 import mutable.Specification
-import IO.{ createDirectory, delete, touch, withTemporaryDirectory }
+import sbt.io.IO.{ createDirectory, delete, touch, withTemporaryDirectory }
+import sbt.io.IO
 import org.apache.ivy.util.ChecksumHelper
 import IfMissing.Fail
 import xsbti.ComponentProvider
diff --git a/librarymanagement/src/test/scala/CustomPomParserTest.scala b/librarymanagement/src/test/scala/CustomPomParserTest.scala
index 1bc39a120..262e4a22b 100644
--- a/librarymanagement/src/test/scala/CustomPomParserTest.scala
+++ b/librarymanagement/src/test/scala/CustomPomParserTest.scala
@@ -4,7 +4,7 @@ import org.apache.ivy.core.module.id.ModuleRevisionId
 import org.apache.ivy.core.resolve.ResolveOptions
 import org.specs2.mutable.Specification
 import sbt._
-import IO.withTemporaryDirectory
+import sbt.io.IO.withTemporaryDirectory
 
 object CustomPomParserTest extends Specification {
 
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index e0f1916fc..92f1a778d 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -2,9 +2,12 @@ import sbt._
 import Keys._
 
 object Dependencies {
+  lazy val scala210 = "2.10.5"
+  lazy val scala211 = "2.11.7"
+
   val utilVersion = "0.1.0-M1"
   val ioVersion = "1.0.0-M1"
-  lazy val ioProj = "org.scala-sbt" %% "io" % ioVersion
+  lazy val sbtIO = "org.scala-sbt" %% "io" % ioVersion
   lazy val utilCollection = "org.scala-sbt" %% "util-collection" % utilVersion
   lazy val utilLogging = "org.scala-sbt" %% "util-logging" % utilVersion
 
@@ -12,10 +15,5 @@ object Dependencies {
   lazy val ivy = "org.scala-sbt.ivy" % "ivy" % "2.3.0-sbt-927bc9ded7f8fba63297cddd0d5a3d01d6ad5d8d"
   lazy val jsch = "com.jcraft" % "jsch" % "0.1.46" intransitive ()
   lazy val sbtSerialization = "org.scala-sbt" %% "serialization" % "0.1.2"
-  // lazy val sbinary = "org.scala-tools.sbinary" %% "sbinary" % "0.4.2"
-  // lazy val scalaCheck = "org.scalacheck" %% "scalacheck" % "1.11.4"
-  // lazy val specs2 = "org.specs2" %% "specs2" % "2.3.11"
-  // lazy val junit = "junit" % "junit" % "4.11"
-  // lazy val scalaCompiler = Def.setting { "org.scala-lang" % "scala-compiler" % scalaVersion.value }
   lazy val scalaReflect = Def.setting { "org.scala-lang" % "scala-reflect" % scalaVersion.value }
 }
diff --git a/project/Util.scala b/project/Util.scala
new file mode 100644
index 000000000..26533a73b
--- /dev/null
+++ b/project/Util.scala
@@ -0,0 +1,32 @@
+import sbt._
+import Keys._
+import sbt.IO
+
+import java.io.File
+
+
+object Util {
+
+  def versionLine(version: String): String = "version=" + version
+  def containsVersion(propFile: File, version: String): Boolean = IO.read(propFile).contains(versionLine(version))
+  def lastCompilationTime(analysis: sbt.inc.Analysis): Long =
+    {
+      val lastCompilation = analysis.compilations.allCompilations.lastOption
+      lastCompilation.map(_.startTime) getOrElse 0L
+    }
+
+  def generateVersionFile(version: String, dir: File, s: TaskStreams, analysis: sbt.inc.Analysis): Seq[File] =
+    {
+      import java.util.{ Date, TimeZone }
+      val formatter = new java.text.SimpleDateFormat("yyyyMMdd'T'HHmmss")
+      formatter.setTimeZone(TimeZone.getTimeZone("GMT"))
+      val timestamp = formatter.format(new Date)
+      val content = versionLine(version) + "\ntimestamp=" + timestamp
+      val f = dir / "xsbt.version.properties"
+      if (!f.exists || f.lastModified < lastCompilationTime(analysis) || !containsVersion(f, version)) {
+        s.log.info("Writing version information to " + f + " :\n" + content)
+        IO.write(f, content)
+      }
+      f :: Nil
+    }
+}