GROOVY-6967: Document the possible race condition when using consumeProcessOutput()
Merge pull request #502 from pinguinkiste/bugfix-6976

GROOVY-6967: Document the possible race condition when using consumeProcessOutput()
GROOVY-7027: @Synchronized should be disallowed on an abstract method
GROOVY-7030: @Synchronized could allow an explicit static lock to be used for an instance method
GROOVY-6438: @Newify AST transformation doesn't work for anon inner classes
Merge branch 'master' into MergeAll