Merge pull request #1 from leibovic/master

Clean up code, add install button, get rid of characters on cards
Remove appcache
Remove unused ribbon.css, fix path to icons, add more comments
experiment with making resolution look better
more experimenting
more experimentation
Get rid of melody
A whole ton of changes to make this into a 4x4 card game that looks good on firefox os devices
make it look okay in desktop browsers again
fix hiding install button
move install button to start screen
some style cleanup
some more style fixes
hide install button properly
hide #gameStats bar when game isn't active
update README
update README (again)
update README (again)
resolve merge conflicts
Merge pull request #3 from leibovic/master

This pulls in all my changes, but it looks like it only pulls them to the master branch. I made the gh-pages branch the default on my fork, but I don't think I have the permissions to do that here.