jade templates gets user role; controls hide for public
	modified:   app.js
	modified:   apps/mongo/db.js
	modified:   public/js/views/TweetView.js
	modified:   public/styles/css/main.css
	modified:   public/styles/sass/partials/_schedule.sass
	modified:   public/styles/sass/partials/_tweets.sass
	modified:   public/templates/tweetTemplate.html
	modified:   views/index.jade
misc deletions
	deleted:    public/img/assets/billie_holiday.png
	deleted:    public/img/assets/debut_dark.png
	deleted:    public/img/assets/grid.png
	deleted:    public/img/assets/shattered.png
shhh
	modified:   apps/mongo/db.js
escape HTML characters in tweet text
	modified:   public/templates/tweetTemplate.html