zsh: remove unused function
zsh: sp is no longer an alias
zsh: avoid shadowing lsusb command
zsh: weechat has been renamed
zsh: use peco instead of percol (faster)
zsh: remove gvim alias
zsh: add suffix alias for .txt
zsh: move cowsay to zlogin
zsh: don't use backticks in scripts
zsh: use better settings for zaw
vim: use pulse plugin instead of custom function
rcup: add zlogin
vimperator: remove conf file (moved to pendatactyl)
vim: use goyo and limelight instead of vimroom
vim: use gnu tee for sudowrite
zsh: remove fuzzy-match