"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/psi/annotation/options/java.kt

@@ -0,0 +1,10 @@
+import java.lang.annotation.*
+
+annotation 
+@java.lang.annotation.Retention(RetentionPolicy.CLASS) 
+class my
+
+annotation 
+Retention(RetentionPolicy.RUNTIME) 
+Target(ElementType.ANNOTATION_TYPE, ElementType.CONSTRUCTOR) 
+class my1