Prerequisites: 

  curl -Lo- http://bit.ly/janus-bootstrap | bash

  see https://github.com/carlhuda/janus for more info on janus

  Install Exuburant CTags for Tagbar to work

  brew install ctags-exuberant

Installation:

  git clone git://github.com/hanifn/janus_vim.git ~/.janus

Create symlinks:

  ln -s ~/.janus/vimrc.after ~/.vimrc.after

Switch to the '~/.janus' directory and fetch submodules:

  cd ~/.janus
  git submodule init
  git submodule update