add analytics
Merge branch 'master' into gh-pages
add twitter sharing button
merge master & readd ga
add twitter sharing to game over screen
merge master
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
remove repeated ga call
add hashtags on 2048
fix hashtag
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
merge iphone version
Merge branch 'gh-pages'

* gh-pages:
  fix hashtag
  add hashtags on 2048
  remove repeated ga call
  add twitter sharing to game over screen
  add twitter sharing button
  add analytics

Conflicts:
	style/main.css