- Update build tools version.
- Ignoring keystore files - THESE SHOULD NOT BE CHECKED IN
  They will however need to be present in the keys folder
  for the release build to work.
- Extracted Open311 credentials as resources. These should be
  defined in an xml file the IS NOT CHECKED IN
- Set max android version to 18.
- Added basic auth to feedback request.
- Added refresh on incident resolution and creation.