Implement twitter feed

- use the ticker setup
- write some code to make it responsive

Conflicts:
	css/screen.css
	sass/screen.sass
Implement new UX to twitter feed

- Show only top 2 always
- Poll every 30 secs (only allowed a max of 150/hour)
- If more new tweets show link to twitter with count

Conflicts:
	css/screen.css
	index.html
	sass/screen.sass
Changed the twitter feed title to Updates. Styled the #moreTweets block.