##usage :
##install homebrew
$ ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"##install rbenv & ruby
$ brew update
$ brew install rbenv
$ brew install ruby-build
$ rbenv install 2.1.2
$ rbenv global 2.1.2
$ rbenv rehash##install tmux
$ brew update
$ brew install tmux##install oh-my-zsh
$ git clone git://github.com/robbyrussell/oh-my-zsh.git ~/.oh-my-zsh##clone dotfiles
$ gem install homesick
$ homesick clone rauluranga/dotfiles
$ homesick symlink dotfiles