Fixed problems with Play Protect - uninstalls the old app version on start

WARNING: Uninstalls the old app version on start (if you agree) and installs with a new app with different package name.

TUmine updated - fixed background service problems

This update fixes issues with the background service and the job scheduler service, also adds the ability to use background service instead of a job on newer androids (even tho not recommended)

Updated the TUmine version - important update

v3.0

Update miner to version 12

Added option for using non-ssl pools

v2.0

Updated the tumine version.

Everything is only in Java

The demo app and the whole library have been rewritten in Java.
Added the new cryptonight POWs.