update gradle+plugins, update gradle-witness

// FREEBIE
add icon back

// FREEBIE
stop crashes when sending sms

// FREEBIE
Fix regression with providers being registered.

// FREEBIE
libjobqueue javadoc and scoping.

// FREEBIE
Move responsibility for Context injection out of JavaSerializer.

// FREEBIE
Added README

// FREEBIE
Fix README.md formatting

// FREEBIE

Closes #2101
Update JobManager README.md

// FREEBIE
silly actionbar shadow issue

// FREEBIE
fix AppCompat theme crash

Fixes #2084
// FREEBIE
add "elevation" window overlay for android 4.x too

// FREEBIE
materialize conversation item indicators

// FREEBIE
remove unused image resources

// FREEBIE
optimize new assets

Thanks to @pejakm for pointing out the emoji optimization.
// FREEBIE
Potential fix for BroadcastReceiver crash.

// FREEBIE
use latest appcompat and build tools, add dagger pin

// FREEBIE
encapsulated delivery icon to separate from lock

and as a bonus some tweaked text sizes and colors
// FREEBIE
No more push encoding pretense.

// FREEBIE
proguard: don't warn for test classes

// FREEBIE