Added attaching external annotations via module script.

libraries/stdlib/src/kotlin/modules/ModuleBuilder.kt

@@ -21,10 +21,17 @@ class ClasspathBuilder(val parent: ModuleBuilder) {
     }
 }
 
+class AnnotationsPathBuilder(val parent: ModuleBuilder) {
+    public fun plusAssign(name: String) {
+        parent.addAnnotationsPathEntry(name)
+    }
+}
+
 open class ModuleBuilder(val name: String): Module {
     // http://youtrack.jetbrains.net/issue/KT-904
     private val sourceFiles0: ArrayList<String?> = ArrayList<String?>()
     private val classpathRoots0: ArrayList<String?> = ArrayList<String?>()
+    private val annotationsRoots0: ArrayList<String?> = ArrayList<String?>()
 
     val sources: SourcesBuilder
       get() = SourcesBuilder(this)
@@ -32,6 +39,9 @@ open class ModuleBuilder(val name: String): Module {
     val classpath: ClasspathBuilder
       get() = ClasspathBuilder(this)
 
+    val annotationsPath: AnnotationsPathBuilder
+      get() = AnnotationsPathBuilder(this)
+
     public fun addSourceFiles(pattern: String) {
         sourceFiles0.add(pattern)
     }
@@ -40,8 +50,13 @@ open class ModuleBuilder(val name: String): Module {
         classpathRoots0.add(name)
     }
 
+    public fun addAnnotationsPathEntry(name: String) {
+        annotationsRoots0.add(name)
+    }
+
     public override fun getSourceFiles(): List<String?>? = sourceFiles0
     public override fun getClasspathRoots(): List<String?>? = classpathRoots0
+    public override fun getAnnotationsRoots(): List<String?>? = annotationsRoots0
     public override fun getModuleName(): String? = name
 }