Set correct rtp, replace Bundle with Plugin
Add tagbar plugin, ctags shortcut

- Update `git ca` alias for git 2.0
Merge branch 'master' of https://github.com/bahlo/dotfiles

* 'master' of https://github.com/bahlo/dotfiles:
  Remove atom files (once and for all)
  Fix oh-my-zsh overriden zshrc
  Remove apm wrapper function
  Add tagbar plugin, ctags shortcut
  Set correct rtp, replace Bundle with Plugin
Merge branch 'master' of https://github.com/bahlo/dotfiles

* 'master' of https://github.com/bahlo/dotfiles:
  Add typo aliases for vim and git
Add cursorline
Merge branch 'master' of https://github.com/bahlo/dotfiles

* 'master' of https://github.com/bahlo/dotfiles:
  Remove .netrwhist, add it to .gitignore
  Add vim-go plugin
  Update README.md
  Add .* to ctags, to ignore folders with dots
  Update .vimrc, replace Ack with Ag
  Remove unnecessary git aliases
Remove bira-arne theme