[artifactory-release] Release version 2.3.0-rc-1
Set development version to 2.3.0-SNAPSHOT
doco tweaks for @Builder
minor refactor: allow improved future @Builder extensibility
Fix for GROOVY-6706.  NPE in some certain situations with @BaseScript.
tweak @Builder for method/constructor handling
GROOVY-6714: GroovyDoc omits and/or misplaces documentation for methods in .java files.
GROOVY-6724: Wrong receiver type when checking generics on property access
GROOVY-5459: grape command and help is wrong command line structure
GROOVY-6725: XML parsing error during grape uninstall
Merge branch 'GROOVY_2_3_0_RC_X' of https://github.com/groovy/groovy-core into GROOVY_2_3_0_RC_X
minor refactor
added classes to index-all.html
GROOVY-6726: index entries of classes are missing in index-all.html
GROOVY-6726: capitalized a caption in index-all.html
trivial refactor: utilize a little bit of Java 5 syntax
Fix stack overflow in super trait delegation
GROOVY-6729: Fix closure parameter type inference in case of a static method call
GROOVY-6722: Compiler doesn't handle generic array covariant
tweak javadoc (related to GROOVY-5784)