Update README.md
add retry button
remove analytics from master
merge master & readd ga
add container around sharing functionality
update rendered stylesheet
add twitter sharing to game over screen
merge master
press space to restart
Merge branch 'master' into gh-pages
remove use of class list in actuator, fix animations for firefox
Merge branch 'master' into gh-pages
add license
Update README.md
add contributing guide
update contributing link
forgot the http://

Gotta properly link to saming his site bro
Merge pull request #1 from Mechazawa/patch-1

forgot the http://
Added vim keybindings
Added vim keybindings