[vim] Add supertab plugin
[vim] Add a better wombat colorscheme

This has a transparent background which looks better
inside iterm2.
[vim] Add lucius colorscheme

This could be the perfect light colorscheme?
[vim] Install vim-bundler plugin
[vim] Add support for the_silver_searcher
[vim] Replace autoclose.vim with autopair.vim

The new plugin does not create a line-break when inserting
two curly braces.