Quick fix for interfering imports
Changed import from recursive to queue-based algorithm.
Updated version numbers
Made check for base64 data less strict so it also matches jpg
Extra null check
Only subscribe to TTS when init was succesful. Fixes #380
Some extra checks for isAdded()
Extra boundary check
Extra isAdded() check
More checks for fragment state
Updated version numbers for 2.1.2 release.
Fixed issues with library filtering.
Updated version number
Check for isAdded()
Merge branch '2.1_bugfix'

Conflicts:
	AndroidManifest.xml
	pom.xml