Update the clickmon link
Add comments with global variables for reference
Add install instructions for Vundle.vim
Reorder the line setting `nocompatible` according to the instruction of Vundle.vim
Use `antigen bundles` instead of repeating `antigen bundle` command
Add comments to each bundle
Add extract plugin
Replace git URL with HTTPS
List one item per line for FILENAME
Add instructions for Git
Add updating plugins instructions for Vim and Zsh