vimrc: Sorted plugins alphabetically
vimrc: Added ctrlp plugin
vimrc: Added NERDTree plugin
vimrc: Added supertab plugin
vimrc: Added Neocomplete plugin
vimrc: Added undotree plugin
vimrc: Added AutoTag plugin
vimrc: Added airline plugin
vimrc: Organize backup/undo/swap config and remove some cruft
vimrc: Fix cursor shape in xterm

This is probably not a super robust solution