Changelog for Groovy 2.3.0-rc-2

Bug

[GROOVY-5459] - grape command and help is wrong command line structure
[GROOVY-6254] - groovydoc fails when java files start with single line comments
[GROOVY-6463] - Incorrect error implementing method
[GROOVY-6706] - Custom base script abstract method throws NPE with the @BaseScript annotation on imports
[GROOVY-6714] - GroovyDoc omits and/or misplaces documentation for methods in .java files.
[GROOVY-6722] - Compiler doesn't recognize covariant array of generics
[GROOVY-6724] - Missing temporary type information check if a receiver has a property with generics
[GROOVY-6725] - XML parsing error during grape uninstall
[GROOVY-6726] - index entries of classes are missing in index-all.html
[GROOVY-6729] - FirstParam.FirstGenericType don't works whe the method returns generic type