suppress warning during packaging
no need to include site in '-all' jar , that will allow to skip site:site generation on packaging
version bump to 6.0 as we are going to update api to support comments
Issue #49. Added comments support to antlr grammar. Added new token types to TokenTypes class.
TreeWalker treats comment nodes as hidden (skips them). Changed superclass of DetailAST to CommonASTWithHiddenTokens.
Issue #49. Added comments to existing test inputs.
Issue #49. Added support of single-line and block comments
Issue #49. Edited TodoCommentCheck to use new comment nodes in AST
AnnotationLocationCheck fixed. #302