Merge pull request #29 from eewang/save_user_games

Save user games
update images in front page and photo guess page
Merge branch 'master' into tweaking-pages
we gots highlight effects
shhhhhh dont tell anyone i commited to master
page updated
authentication attempt
rollback migration
deleted migration to add auth to users table
Merge branch 'master' into tweaking-pages
Merge branch 'master' into save_user_games
remove old migration
Merge pull request #30 from eewang/tweaking-pages

Tweaking pages
Merge branch 'master' into save_user_games
added identities table; added link to return to saved game