Zom Android 15.3 RC 2

340db20 update build to 1510037
3f7297d fixes for group history fetch
19a16f9 make sure we stop the audioplayer when it leaves the screen
833209f for #333 add buddy is now add friend
b194c1c Merge branch 'master' of github.com:zom/Zom-Android
e7970a8 improve notifications for all situations - add support for batch notifications - make sure notifications are dismissed
ea3064b for #358 don't show pending approval for group chats
91e2eb2 for #357 don't crash with a blocked contact
f84090e Merge pull request #355 from zom/travis-ci-fdroid-nightly
7ba58f9 travis-ci: disable failing lint until lint errors are fixed
0eb2243 travis-ci: create nightly builds fdroid repo from each build
05da907 travis-ci: get build and emulator tests working again
fcba6a7 make ./gradlew verify the gradle it downloads
5f5f6f7 update to build 1510036
2f3c479 don't show subscription UI for groups
a555c47 update build 1510035
ca7b8c2 for #352 and #432 show proper status for unfriended/blocked state
9a9e8af fixes for QR code scanning - use low res preview and image size
6eb0651 for #337 mute all notification types
faa551d ensure Presnece is accurate, and fix chat listener, typing status