Add gitgutter
Merge pull request #247 from irrationalfab/vim-gitgutter

Add gitgutter
Removed unused / not working ,,f ,,F aliases
Readme cleanup
Merge remote-tracking branch 'upstream/master' into customizations

* upstream/master:
  Readme cleanup
  Removed unused / not working ,,f ,,F aliases
  Add gitgutter
  Remove gitgutter; causes errors
  Upgrade plugins
  Upgrade plugins
  Added vim-gitgutter, which shows git diff in the gutter
  Remove arpeggio; unused
  Improved sass colors
  Vim plugins and prezto updated
  Remove unused submodules directories.
Merge branch 'customizations' of github.com:sayar/dotfiles into customizations

* 'customizations' of github.com:sayar/dotfiles: