Added npm installs, updated .gitigonre

Updated .gitignore to ignore node_modules.
Updated package.json to continue grunt tasks we want to use.
Updated .gitignore to ignore sass-cache.
Added 404.html
Added gruntfile.js and added some basic automaction tasks
Adding helpful starting sass files, including normalize and mixins.
Added index.html HTML 5 boilerplate.
Updatd package.json with the removal of bootstrap
Update to .gitignore.