fixed play round page layout (the action bar was placed below the tabs)
getRoundScores finished. Accesible through /game/:id/round/scores url. Added category class, though for now is only a dummy.
Merge branch 'client/playround-visual-bug-fix'

Conflicts:
	client/TuttiFrutti/app/src/main/java/com/example/tuttifrutti/app/PlayRoundActivity.java
Merge branch 'sendRoundScores-server'

Conflicts:
	server/models/line.js
	server/models/round.js