Fix crash https://fabric.io/rocketchat3/android/apps/chat.rocket.android/issues/5a14f20761b02d480df8c606

Merge branch 'fix/force-migrate-crash' of github.com:RocketChat/Rocket.Chat.Android into fix/force-migrate-crash

Fix servers logging out on app update

Merge branch 'fix/servers-logging-out' of github.com:RocketChat/Rocket.Chat.Android into fix/servers-logging-out

Revert Realm plugin version to 3.7.2 (latest version before the breaking changes) and thus add back the interop rxjava lib

Fix most common crashes on Beta versions

Reformatted code from MainActivity and set a default drawable for the server list icons whenever ic_launcher isnt available at mipmap

Merge branch 'fix/crashes-on-beta-versions' of github.com:RocketChat/Rocket.Chat.Android into fix/crashes-on-beta-versions