Update install script to be more bash-y
Move install script into scripts directory
Create the vim/bundle directory when installing
Use full option names in config files
Don't show line numbers
Use spacebar as leader key
Update to new Vundle syntax and re-arrange

Move bundles into a separate file which can be sourced on its own when
installing.

Also updated to use the new PluginInstall and PluginClean functions in
Vundle.
Update ag integration and use with CtrlP
Revert "Don't mess with markdown formatting"

This reverts commit 5f441469b40c86a7b17cd6a1e4aaf3c175b234d8.
Don't automatically wrap text in markdown docs
Remap whitespace tidy to leader-w
Use light background in gvim