Add apn settings for some providers
VerifyKeysActivity don't exists anymore
Suppress lint errors
Merge pull request #539 from WhisperSystems/apndefaults

Add apn settings for some providers
Use minSdkVersion 9

'Array.copyOfRange' depends on API level 9

// FREEBIE
Merge pull request #540 from WhisperSystems/lint

Fixes more lint errors
pngcrush and removal of unused layout // FREEBIE
Merge pull request #541 from mcginty/resource_crunch

pngcrush and removal of unused layout
Update gradle docs //FREEBIE