Merge pull request #3 from AltitudeHK/backend

Backend
Merge pull request #4 from AltitudeHK/develop

added fs.writeFile to requestHandler.upload
Merge pull request #5 from AltitudeHK/backend

replaced fs.writeFile(photo) into the upload request callback, so it has...
Merge branch 'master' of https://github.com/AltitudeHK/wanderawe into develop
Merge branch 'develop' of https://github.com/AltitudeHK/wanderawe into develop
fixed voting / fixed getPhotos to correctly filter by category
Merge pull request #45 from AltitudeHK/voteUp

Vote up / getPhotos