Modified vimrc sourcing to occur under edit.
Don't set this if $MYVIMRC isn't set.

This wont be set if using the -u option with Vim.
Added bindings for muttrc.
Added angular source path
Updated coffee bindings to use CoffeeWatch
NEWLINES ARE NICELINES.
This map makes more sense
Set up tabbing for JS files.
Mapped litcoffee to coffe ftplugin