Merge pull request #169 from adamarla/master

Return marks out of how many for mobile display
Merge pull request #170 from adamarla/master

Return feedback even if entire quiz has not been graded yet
Merge pull request #171 from adamarla/master

Fixed bug in prev commit
Minor bug in logic for setting quality booleans.
Merge branch 'master' of https://github.com/abhinavc/web-application
Return marker for last comment (changes in case we regrade)
Merge remote-tracking branch 'upstream/master'