Branch: master

* keymaps.vim:
  * Git command: Added 'silent' so the 'hit enter' message is supressed.
  * Wrap command: Added to set and unset 'wrap' and others options.
* after/syntax/objc.vim: Changed the highlight for objcString and
  objcImported to not pass the end of line.
* autoload/mylib.vim (setWrap()): New function to set wrap correctly.