Added cross building with Scala 2.9.1.RC2.

build.sbt

@@ -6,14 +6,16 @@ organization := "org.scala-tools.testing"
 
 scalaVersion := "2.9.0-1"
 
+crossScalaVersions := Seq("2.9.0-1", "2.9.1.RC2")
+
 libraryDependencies += "org.scala-tools.testing" %  "test-interface" % "0.5"
 
 javacOptions ++= Seq("-Xmx1024M")
 
 scalacOptions += "-deprecation"
 
-// publishTo := Some("Scala Tools Nexus" at "http://nexus.scala-tools.org/content/repositories/snapshots/")
+publishTo := Some("Scala Tools Nexus" at "http://nexus.scala-tools.org/content/repositories/snapshots/")
 
-publishTo := Some("Scala Tools Nexus" at "http://nexus.scala-tools.org/content/repositories/releases/")
+// publishTo := Some("Scala Tools Nexus" at "http://nexus.scala-tools.org/content/repositories/releases/")
 
 credentials += Credentials(Path.userHome / ".ivy2" / ".credentials")

sbt

@@ -1,3 +1,3 @@
 #!/bin/sh
 
-java $SBT_OPTS -Xmx1024M -jar `dirname $0`/tools/sbt-launch-0.10.1.jar "$@"
+java $SBT_OPTS -Xmx1024M -XX:MaxPermSize=512m -jar `dirname $0`/tools/sbt-launch-0.10.1.jar "$@"