[vim] config clean up
[bin] add script for setting keyboard shortcuts in Unity
[gemrc] don't install ri docs when installing gems
[bin] remove standalone gist script
[bin] remove standalone ack script
[irb] use pry instead of irb
[gtk] whitespace
[profile] set $EDITOR and $VISUAL
[zsh] remove rbenv and rvm integrations
[irb] warn when pry can't be loaded
[zsh] current status
[rvm] bye!
[vim] add fugitive and commentary plugins
[bc] be quiet
[zsh] enabled emacs-style default key bindings
[self] ignore ~/.tmuxinator
[tmux] current status