Shorthand gemrc syntax
Global gitignore additions
Use CtrlP for vim
Add arcanist bin dir to path
Merge branch 'master' of github.com:enthrops/dotfiles

* 'master' of github.com:enthrops/dotfiles:
  Hirb for pry and irb
  Add Heroku binaries to PATH
  Additional entries in gitignore for Rails

Conflicts:
	zshenv