implementing upvotes. Looks promising...
upvote question is working good
upvote answer is working good
Merge branch 'master' of https://github.com/CMPUT301F14T12/OctoAsk

Conflicts:
	OctoAskT12/bin/OctoAskT12.apk
	OctoAskT12/bin/classes.dex
	OctoAskT12/bin/resources.ap_
Merge pull request #60 from ibarreto/master

implemented upvote answer and question