Replace using raw Bundle with wrapping it in an RVM environment.
Update git completion and add RVM completion.
Add Ruby gems in the RVM environment onto the PATH.
Move Solarized dircolors to ~ so it doesn't clutter up my Projects folder.
Add Pathogen to Vim for managing plugins.
Remove the silly Shift+Tab shortcut for unindenting.
Allow per-project .vimrc files to override the main one, like .gitconfig files do.