Writing metadata to the image first try refs #2499
GPS data (longitude and latitude) and a userComment are saved as metadata to the taken picture refs #2499
CameraPreview set to the right rotation and size refs #2499
Merged 'develop'.
Wrote the functuality in CameraActivity and CapturePictureHandler in extra methods refs #2499
Added first tests for CapturePictureHandler refs #2499
improved small issues and completed the convert tests for the CapturePictureHandler refs #2499
Merge remote-tracking branch 'origin/feature/2499-TakingAndSavingPhotos' into feature/2741-AssembleApplication

Conflicts:
	pom.xml
	src/main/java/io/github/data4all/activity/MainActivity.java
	src/main/java/io/github/data4all/handler/CapturePictureHandler.java
Organise imports and auto-formatting refs #2741