Move prompt info to shell script

Shell is faster than ruby. We should use it more.
Add settings for gitsh
Ensure that Vundle is loaded first

We can't guarantee the order that the plugins will load, so we should
make sure that vundle is added to the runtime path before doing anything
Update vim plugins

Adding some nice objective-c stuff, replacing some old and busted
plugins with new hotness
set liftoffrc filetype
Use the undodir
Add a newline I guess