add submodule vimperator-plugins
Xcode setting.
add tmux setting.
change basic setting (incsearch etc)
add Swift and smart endwise
change indent setting.
delete tab move key binding.
add rbenv PATH
chang plugin setting.
add snippet files
fix vimperator plugin links
fix zsh setting.
add .pryrc
change .gitconfig
fix setup.sh
temporary add Brewfile