BracesFixer

Braces for structure blocks, fix #98

- [x] add missing braces
- [x] correct single-level intend
- [X] correct multi-level intend
- [X] fix `T_FOR` token syntax
- [X] ignore T_END* syntax
- [X] make Travis pass
- [X] fix #168 -> fixed in PR #488
- [X] fix #374
- [X] remove new line between `}` and T_ELSE, E_ELSEIF, T_CATCH
- [X] detect duplicated functionality in CurlyBracketsNewlineFixer
- [X] detect duplicated functionality in ControlSpacesFixer 
This looks like a genuine bug in hhvm then.