kotlin.annotation package with annotations "target" and "annotation" and enums AnnotationTarget and AnnotationRetention introduced.

Targets for existing built-in annotations.
Access to annotation package from packageFragmentProvider.
Documentation for all classes in the package.

js/js.frontend/src/org/jetbrains/kotlin/js/analyze/TopDownAnalyzerFacadeForJS.java

@@ -43,6 +43,7 @@ public final class TopDownAnalyzerFacadeForJS {
     public static final List<ImportPath> DEFAULT_IMPORTS = ImmutableList.of(
             new ImportPath("java.lang.*"),
             new ImportPath("kotlin.*"),
+            new ImportPath("kotlin.annotation.*"),
             new ImportPath("kotlin.js.*")
     );