Fix compilation on 0.13.x

Author: keynmol

Diff for: src/main/scala-sbt-0.13/explicitdeps/package.scala

@@ -1,3 +1,5 @@
+import sbt.ModuleID
+
 package object explicitdeps {
 
   type Binary = sbt.CrossVersion.Binary
@@ -22,4 +24,6 @@ package object explicitdeps {
     def \@(attributeName: String): String = (nodeSeq \ ("@" + attributeName)).text
 
   }
+
+  def modulePlatform(m: ModuleID): Option[ScalaJSVersion] = None
 }

Diff for: src/main/scala-sbt-1.0/explicitdeps/package.scala

@@ -1,3 +1,4 @@
+import sbt.librarymanagement.ModuleID
 package object explicitdeps {
 
   type Binary = sbt.librarymanagement.Binary
@@ -33,5 +34,16 @@ package object explicitdeps {
     log.debug(s"Library dependencies:\n${allLibraryDeps.mkString("  ", "\n  ", "")}")
     allLibraryDeps
   }
+  
+  def modulePlatform(moduleId: ModuleID): Option[ScalaJSVersion] = 
+    moduleId.crossVersion match {
+      case b: sbt.librarymanagement.Binary => 
+        if(b.prefix == ScalaJSVersion.V1.prefix)
+          Some(ScalaJSVersion.V1)
+        else if (b.prefix == ScalaJSVersion.V06.prefix)
+          Some(ScalaJSVersion.V06)
+        else None
+      case _ => None
+    }
 
 }

Diff for: src/main/scala/explicitdeps/BoringStuff.scala

@@ -119,11 +119,7 @@ object BoringStuff {
 
   def moduleIDToDependency(moduleId: ModuleID): Dependency = {
     val isCross = moduleId.crossVersion.isInstanceOf[Binary] ||  moduleId.crossVersion.isInstanceOf[Full]
-    val platform = moduleId.crossVersion match {
-      case b: Binary if b.prefix == ScalaJSVersion.V1.prefix => Some(ScalaJSVersion.V1)
-      case b: Binary if b.prefix == ScalaJSVersion.V06.prefix => Some(ScalaJSVersion.V06)
-      case _ => None
-    }
+    val platform = modulePlatform(moduleId) 
 
     Dependency(
       moduleId.organization,