Add agignore
Add git aliases for working with stashes
Ignore tags
rspec: Don't profile by default
Move /usr/local/bin up in PATH
gvimrc: Smaller font
Add git-churn script
Update Brewfile

Add ctags, rbenv-ctags, and qlstephen cask
vimrc.bundles: Small updates

- Add CtrlPTag shortcut
- Update default rspec_command
- Remove unused bundles
- Add splitjoin.vim
vimrc: Remove unused stuff