Version 2.2.0: Fix for latest gradle updates

• Fix package name of Firebase lib so the BuildConfigs don't conflict in new versions of Gradle/Android Studio.

Version 2.0.2: Description

Add description to Tweaks.

Version 2.0.1: Multi-user support

Now each user can use a PIN Code on the web UI so that they only tweak their values, not other people's.

Version 1.1

v1.1

Remove Timber dependency