Merge branch 'master' of git://github.com/zaiste/vimified

* 'master' of git://github.com/zaiste/vimified:
  Update README.
  Add Elixir support.
  renamed g:airline_fugitive_prefix to g:airline_branch_prefix in vimrc
Merge branch 'master' of github.com:DirkR/vimified

* 'master' of github.com:DirkR/vimified:
  Made vimrc compatible with Vim 7.2 on CentOS 6.4