vim: Added vim-rvm plugin
vim: Removed rcodetools plugin
vimrc: Shortcuts for FuzzyFinder and NERDTree
vim: added some plugins
bashrc: RVM small fix
vim: new colorscheme

Taken from Gary Bernhardt:
https://github.com/garybernhardt/dotfiles/blob/master/.vim/colors/grb256.vim
vim: Updated plugins
vimrc: Updates for fugitive
Added .irbrc

required the interactive_editor gem to enable 'vi' in an irb session.
vimrc: shortcut for git status via fugitive
irbrc: Added prettyprint and awesome_print