Add validations and error handling to stream creation (zulip#1492)

Add instructions on how to join Android Beta and iOS TestFlight (zuli…

…p#1474)

Simplify and fix focusPing (zulip#1468)

Fix account switching. Do not navigate if last route is the same (zul…

…ip#1418)

[Android] Scroll to first unread message. (zulip#1389)

* [Android] Scroll to first unread message.

* Position first unread message at the middle of the screen.

* Send scroll events when scrollView does not occupy full screen.

As user as seen those messages so mark them as read.

* Scroll to end if first unread message is not found.

Currently assuming that if first unread message is not found than all are read.

* Completed.

*Added comments.

*Reverted unwanted changes.

* Fix: not scrolled to first unread message just after app launch.

Better sized navbar and statubar color on Android (zulip#1374)

Simplify connect and boundActions (zulip#1289)

Fetch only one message after anchor. Improve positioning (zulip#1265)

Fetch only one message after anchor. Improve positioning

Add 1024x1024 icon for new App Store

Upgrade Sentry lib and disable stack merging (zulip#1153)