v. 0.5.3
TSPHP-613 instructionsWithoutBreakContinue - deleted BreakErrorTest since it is no longer an error
- improved tests
- fixed copyAntlr:
  - deletion is not really necessary, ant figures out whether a copy is necessary or nothing has changed
  - copied too much (__Test__.java)
  - TSPHP-660 Rename token CASTING_ASSIGN to CAST_ASSIGN
    - renamed CASTING to CAST to be consistent
  - removed copyright notice in package-info (a left over)
  - improved package describtion (copied from typechecker component)
  - added new version of common component