need some compatibility parsing infrastructure for 0.11.x

src/main/scala-sbt-0.11/net/virtualvoid/sbt/graph/Compat.scala

@@ -17,4 +17,7 @@ object Compat {
 
 			Classpaths.cachedUpdate(cacheDirectory / "update", Project.display(ref), module, missingOkConfig, Some(si), depsUpdated, s.log)
 		}
+
+  import complete.DefaultParsers._
+  lazy val StringBasic = NotSpaceClass.*.string
 }

src/main/scala/net/virtualvoid/sbt/graph/Plugin.scala

@@ -128,6 +128,7 @@ object Plugin extends sbt.Plugin {
       val graph =  loadFromContext(moduleGraphStore, ctx, state) getOrElse ModuleGraph(Nil, Nil)
 
       import complete.DefaultParsers._
+      import Compat._
 
       def moduleFrom(modules: Seq[Module]) =
         modules.map { m =>