Have Syntastic ignore angular attribute warnings

The Syntastic HTML linter will warn on propriety attributes. The
likelihood that you *accidentally* typed "ng-repeat" is low. Let's just
assume you know what you're doing and ignore warnings about "ng-*"
attributes.
Remove test:prepare from migrate alias

* `rake db:test:prepare` has been depreciated in rails 4.1
Added local config files

Local modifications to thoughtbot dotfiles
Tweaked local vim configuration
Improved the vimrc

* removed duplicated code
* changed vim error responsivness
* made vim render faster
* tweaked mouse functionality
* changed buffer handling
Merge branch 'master' of github.com:stefanfrede/dotfiles