"annotation" is now parsed as an identifier. It is no longer a soft keyword.

Sometimes it's allowed to parse "annotation" unescaped even if other annotations must be escaped.
A set of annotations and their options tests.
A swarm of existing tests fixed (mostly kotlin.annotation.annotation() added to txt-files).
STUB_VERSION increased. Some quick fixes slightly changed.

compiler/testData/loadJava/compiledKotlin/annotations/classes/NestedAnnotation.txt

@@ -3,7 +3,7 @@ package test
 internal final class A {
     /*primary*/ public constructor A()
 
-    internal final annotation class Anno : kotlin.Annotation {
+    kotlin.annotation.annotation() internal final annotation class Anno : kotlin.Annotation {
         /*primary*/ public constructor Anno()
     }
 }