Chuan/Kevin/Chris - added Questions Cache Manager
		  - fixed connectivity checker
connectivity
Merge branch 'master' of https://github.com/CMPUT301F14T12/OctoAsk

Conflicts:
	OctoAskT12/bin/OctoAskT12.apk
	OctoAskT12/bin/R.txt
	OctoAskT12/bin/classes.dex
	OctoAskT12/bin/resources.ap_
	OctoAskT12/gen/cs/ualberta/octoaskt12/R.java
	OctoAskT12/src/cs/ualberta/octoaskt12/geol/version.java
Merge pull request #76 from ibarreto/master

google play services and some javadoc
misc files
Merge branch 'master' of https://github.com/CMPUT301F14T12/OctoAsk
implemented retracting upvote and back button press for detail view
Merge pull request #77 from aktse/master

implemented retracting uproot and back button
Merge branch 'master' of https://github.com/CMPUT301F14T12/OctoAsk

Conflicts:
	OctoAskT12/bin/OctoAskT12.apk
	OctoAskT12/bin/classes.dex
	OctoAskT12/bin/resources.ap_
	OctoAskT12/src/cs/ualberta/octoaskt12/geol/version.java
	OctoAskT12TestsTest/bin/OctoAskT12Tests.apk
	OctoAskT12TestsTest/bin/classes.dex
added caching when there's no internet connection
implemented changing usernames
Merge branch 'master' of https://github.com/CMPUT301F14T12/OctoAsk
Merge pull request #78 from aktse/master

Implemented changing usernames
rearranged some stuff, fixed properties
Merge branch 'master' of https://github.com/CMPUT301F14T12/OctoAsk
Merge pull request #79 from aktse/master

fixed properties
merge problem
merge problems
problems with merging and connectivity
Merge pull request #80 from 0nebit/master

merge problems and connectivity