"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/packageMembers/EnumArgument.txt

@@ -4,7 +4,7 @@ test.Anno(t = ElementType.FIELD) internal val bar: kotlin.Int = 42
     internal fun <get-bar>(): kotlin.Int
 test.Anno(t = ElementType.METHOD) internal fun foo(): kotlin.Unit
 
-internal final annotation class Anno : kotlin.Annotation {
+kotlin.annotation.annotation() internal final annotation class Anno : kotlin.Annotation {
     /*primary*/ public constructor Anno(/*0*/ t: java.lang.annotation.ElementType)
     internal final val t: java.lang.annotation.ElementType
         internal final fun <get-t>(): java.lang.annotation.ElementType