Used airline
Merge branch 'master' of https://github.com/avelino/.vimrc

* 'master' of https://github.com/avelino/.vimrc:
  Change mapping for buffer navigation from S-n to S-o
Remap next buffer navegate SHIFT+o
commit id: 1b2fdb6ba878a377d6a4a25885be5781d45d04a9 @ivancrneto