add sample photo
Merge branch 'master' of https://github.com/codefortomorrow/OpeneatsCrowdsourcingApp
Merge branch 'master' of github.com:codefortomorrow/OpeneatsCrowdsourcingApp into Update_Lee

Conflicts:
	res/layout/activity_camera_test.xml
	src/com/codefortomorrow/crowdsourcing/CrowdsourcingActivity.java
fix bug

Signed-off-by: Lee <jessy1092@gmail.com>
Get User Account

Signed-off-by: Lee <jessy1092@gmail.com>
Create UUID

Signed-off-by: Lee <jessy1092@gmail.com>
Rotate pics and fix bug

Signed-off-by: Lee <jessy1092@gmail.com>
Generate Gradle to build android project

Signed-off-by: Lee <jessy1092@gmail.com>
- rename .xml file (activity_camera_test.xml->activity_crowdsourcing.xml)
- margin of camera preview
Test with local server
add error detect in FinishActivity.java

Signed-off-by: Lee <jessy1092@gmail.com>
Change the scan barcode vjew msg_default_status

Signed-off-by: Lee <jessy1092@gmail.com>
Create CrowdsourcingService.java to async upload photos and update data

Signed-off-by: Lee <jessy1092@gmail.com>