Last fixes to integration tests

Author: Antonio Cunei

adapter/src/main/scala-2.10/Adapter.scala

@@ -43,8 +43,8 @@ object Adapter {
   type Artifact = sbt.Artifact
   type ProjectResolver = sbt.ProjectResolver
   type ScalaInstance = sbt.ScalaInstance
-  val ScalaInstance = sbt.ScalaInstance
-  val Load = sbt.dbuild.hack.DbuildHack.Load
+  lazy val ScalaInstance = sbt.ScalaInstance
+  lazy val Load = sbt.dbuild.hack.DbuildHack.Load
   val applyCross: (String, Option[String => String]) => String =
    sbt.CrossVersion.applyCross
   def defaultID(base: File, prefix: String = "default") =

build/src/it/scala/com/typesafe/dbuild/build/RewireSpec.scala

@@ -28,7 +28,7 @@ object RewireSpec extends Specification {
              |  check-missing: [false, false, false]
              |  cross-version: standard
              |  space: test
-             |  sbt-version: "0.13.7-M1"
+             |  sbt-version: "0.13.8"
              |  extraction-version: "2.11.1"
              |  projects: [
              |    {