Chuan/Chris - added connectivity checker class.
Merge branch 'master' of https://github.com/CMPUT301F14T12/OctoAsk
Merge pull request #29 from ibarreto/master

Now user can add questions, answers. Layout looks nicer
Merge branch 'master' of https://github.com/CMPUT301F14T12/OctoAsk
merge conflicts
Merge pull request #30 from 0nebit/master

Added network checker.
merge conflicts
Merge branch 'master' of https://github.com/CMPUT301F14T12/OctoAsk
Merge pull request #31 from aktse/master

merge conflicts
Merge branch 'master' of https://github.com/CMPUT301F14T12/OctoAsk