Added required classes for taking and saving a picture refs #2499
Improved Tags and Package structure refs #2499
Passing the Picture File to the ShowPictureActivity refs #2499
Merge remote-tracking branch 'origin/feature/2499-TakingAndSavingPhotos' into feature/2498-ShowPicture

Conflicts:
	AndroidManifest.xml
	src/main/java/io/github/data4all/activity/MainActivity.java
merged with refs #2499 and working together refs #2498