fixed #13. The timestamp is parsed relative to the timezone the response was taken
fixed #12. timestamp timezone usage of ISO8601 throughout the app with jodatime
fixed #11. the timestamp prompt now uses joda time to format its value
fixed #10. The response sync service will now send a timezone with the timestamp
fixed #4. When uploading responses a json error in one response will no longer cause all other responses to fail
fixed #1. Removed send crash report