remove unused config
  cairo
remove unused config
  rvm
  packages.zsh
modify rsense path
change /Users/muryoimpl to $HOME
add zsh packages
  git-flow
  git-extra
add autoload config in .zsh.d/zshrc
  url-quoto-magic
  git-escape-magic
add .DS_STORE in gitignore
modify git-gutter configuration to enable gutter diff
add yaml filetype to commentout pattern in commentout.vim
move cursor config from vimrc_utils to .vimrc.
remove `source ~/.vim/vimrc_tab` and add `set showtabline=2` to
vimrc_basic
add plugins in vimrc_bundle

'osyo-manga/unite-highlight', 'bling/vim-airline', 'w0ng/vim-hybrid'
add vimrc_airline for vim-airline's configuration.