Multiple changes, see below.
- Remove unused envirius configuration.
- Add `:q` to be a zsh alias to `exit`.
Add vim-ls (LiveScript support for Vim).
Remove Haskell-mode.vim (seems to be obseleted by other plugins
installed).
Multiple changes, see below:
- Add local vim settings reader (sources settings file in project
  directory.)
- Add lots of awesome @tpope plugins.