changed nearly all git aliases
deactivate git status on the prompt for performance
.inputrc removed
add new git alias ap (add -p) and civ (commit -v)
update Gemfile.lock
add default shell, ruby, nodejs and python to install script
install homebrew and execute ./brew in the install script
add used iTerm2 theme
add iTerm2 configuration
update submodule .vim/bundle/vundle
add .osx file
submodule oh-my-zsh updated
some zsh plugins disabled for speed