Silence boring Eclipse warnings: catching all exceptions

Here I make explicit where catching all exceptions is intended.
Mark Harrah corrected one decision during review.

launch/src/main/scala/xsbt/boot/Boot.scala

@@ -34,7 +34,7 @@ object Boot
 			case b: BootException => errorAndExit(b.toString)
 			case r: xsbti.RetrieveException => errorAndExit("Error: " + r.getMessage)
 			case r: xsbti.FullReload => Some(r.arguments)
-			case e =>
+			case e: Throwable =>
 				e.printStackTrace
 				errorAndExit(Pre.prefixError(e.toString))
 		}
@@ -55,7 +55,12 @@ object Boot
 				System.setProperty("sbt.log.format", "true")
 		} catch {
 			case ignore: ClassNotFoundException =>
-			case ex => println("Jansi found on class path but initialization failed: " + ex)
+                        /* The below code intentionally traps everything. It technically shouldn't trap the
+                         * non-StackOverflowError VirtualMachineErrors and AWTError would be weird, but this is PermGen
+                         * mitigation code that should not render sbt completely unusable if jansi initialization fails.
+                         * [From Mark Harrah, https://github.com/sbt/sbt/pull/633#issuecomment-11957578].
+                         */
+			case ex: Throwable => println("Jansi found on class path but initialization failed: " + ex)
 		}
 	}
 }

main/command/src/main/scala/sbt/MainLoop.scala

@@ -35,7 +35,7 @@ object MainLoop
 			case e: xsbti.FullReload =>
 				deleteLastLog(logBacking)
 				throw e // pass along a reboot request
-			case e =>
+			case e: Throwable =>
 				System.err.println("sbt appears to be exiting abnormally.\n  The log file for this session is at " + logBacking.file)
 				deleteLastLog(logBacking)
 				throw e

run/src/main/scala/sbt/TrapExit.scala

@@ -34,7 +34,7 @@ object TrapExit
 			catch
 			{
 				case e: TrapExitSecurityException => throw e
-				case x =>
+				case x: Throwable =>
 					code.set(1) //exceptions in the main thread cause the exit code to be 1
 					throw x
 			}

util/collection/src/test/scala/SettingsTest.scala

@@ -82,7 +82,7 @@ object SettingsTest extends Properties("settings")
 
 	def evaluate(settings: Seq[Setting[_]]): Settings[Scope] =
 		try { make(settings)(delegates, scopeLocal, showFullKey) }
-		catch { case e => e.printStackTrace; throw e }
+		catch { case e: Throwable => e.printStackTrace; throw e }
 }
 // This setup is a workaround for module synchronization issues 
 final class CCR(intermediate: Int)

util/control/src/main/scala/sbt/ErrorHandling.scala

@@ -20,7 +20,7 @@ object ErrorHandling
 		{
 			case ex @ (_: Exception | _: StackOverflowError) => Left(ex)
 			case err @ (_: ThreadDeath | _: VirtualMachineError) => throw err
-			case x => Left(x)
+			case x: Throwable => Left(x)
 		}
 
 	def convert[T](f: => T): Either[Exception, T] =

util/log/src/main/scala/sbt/BufferedLogger.scala

@@ -33,7 +33,7 @@ class BufferedLogger(delegate: AbstractLogger) extends BasicLogger
 			clear()
 			result
 		}
-		catch { case e => stopQuietly(); throw e }
+		catch { case e: Throwable => stopQuietly(); throw e }
 	}
 	def stopQuietly() = synchronized { try { stop() } catch { case e: Exception => () } }