geo
Merge branch 'master' of https://github.com/CMPUT301F14T12/OctoAsk
Merge pull request #105 from ibarreto/master

fixed important bug!
geolocation on answer questions and reply
updated some test cases
merging
fix conflict
Merge pull request #106 from diego04/master

geolocation on question answer and reply
merging
Merge pull request #107 from aktse/master

updated some test cases
fix conflict
deleted dead code
Merge branch 'master' of https://github.com/CMPUT301F14T12/OctoAsk
Merge pull request #108 from aktse/master

deleted dead code
added location to answers
only need to sort by geolocation then done
pull only need to sort geo
Merge pull request #109 from diego04/master

Only need to implement sorting geo then done
deleted dead code, added comments
Merge branch 'master' of https://github.com/CMPUT301F14T12/OctoAsk