Introduce arch-deps.txt which contains list of dependencies for Arch
Linux
Remove xcode (for osx)
Remove osx/set-defaults.sh
Remove ruby
Remove some binaries
Remove homebrew stuff
Change $ZSH var to $DOTFILES
Remove prompt and window customization for zsh
Cleanup stuff (mostly for osx)
Use $DOTFILES instead of $ZSH

Conflicts:
	bin/dot
	bin/set-defaults
Use ~/dev as PROJECTS dir
Add Oh My Zsh