Add Elixir support.
Merge pull request #73 from sharnik/elixir-support

Add Elixir support.
Update README.
Merge pull request #74 from sharnik/elixir-support

Update README with Elixir support.
Merge branch 'master' of github.com:zaiste/vimified

* 'master' of github.com:zaiste/vimified:
  Update README.
  Add Elixir support.