Addming shortcut to :make
Overriding default :make for Ruby files.

The default :make waits for a filename to be passed to it.  This
override tells :make to just run the current file through the ruby
interpreter and syntax check.
Lusty Juggler needs vim with rubyinterp, mention in comment.
Using Dispatch to syntax check ruby is nicer
Adding Gundo.
Adding Scratch, Tabular, & Rainbow Parentheses.
Make vimrc folding friendly.