Added virtualenv to zsh startup.
Added autojump.
Merge branch 'master' into customizations

* master:
  Fix cmd-j and cmd-k navigate by function bindings
Merge remote-tracking branch 'upstream/master' into customizations

* upstream/master:
  Fixed issue where the ASK environnement variable..
Merge branch 'master' into customizations

* master:
  Removed vim-slim submodule
  Configure Macvim as the standard git mergetool
Merge branch 'master' into customizations

* master:
  Sprintly alias
  Added ,gt html tidy command
  Color improvement
  Updated vim-slim submodule.
Added amazon elasticbeanstalk eb alias.
Merge remote-tracking branch 'upstream/master' into customizations

* upstream/master:
  Add quickfixsigns module - shows which lines changed
  Fixed vim alias.
Added git username and email.
Merge branch 'master' into customizations

* master:
  Revert "Add quickfixsigns module - shows which lines changed"
  updated vim nerdtree tabs plugin
  Follow code style.
  Install homebrew only if it's not in the path already.
  Removing duplicated vim plugins
  Delete yuv alias, as asked by the comment.
  Use vim instead of vi.
  Remove '..' alias.
  Do not install brew
Merge remote-tracking branch 'upstream/master' into customizations

* upstream/master:
  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.
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'

* upstream/master:
  Readme cleanup
  Removed unused / not working ,,f ,,F aliases
  Add gitgutter