Merge pull request #70 from ibarreto/master

update javadoc and now replies to answers are updated
geo setup
Merge pull request #71 from diego04/master

geo setup
trying to fix this
still trying to fix
...
Merge branch 'master' of https://github.com/CMPUT301F14T12/OctoAsk
searching implemented
Merge pull request #73 from aktse/master

searching implemented
fixing some errors
changed the upvote icon on the main questions
Merge pull request #74 from creativlimade/master

changed the upvote icon on the main questions
Changed background colours
Merge pull request #75 from creativlimade/master

Changed background colours
added couple of javadocs, made some other changes
google play services reference