Jump to new chat

fixed #2306
jump to right chat screen from notification

fixes #2336
Merge pull request #347 from devrandom/bug_chatopen

Jump to new chat
version update
updated design resources, backgrounds, icons
new logic for message rendering, tab strip rendering
improvements on message state and chat title rendering
added new "exit" button and improved logic for that
update icon in manifest
small menu modification
Merge pull request #348 from n8fr8/design_tweaks

Design tweaks
updating to 13.0.2 v13 Beta 2
fixes #2376 hot fix for simple NPE issue
Comment about null pointer check for future review
Merge branch 'upstream' into feature_inline_media

Conflicts:
	res/layout/new_message_item.xml