Add some null checks to loading_views and remove regex parsing for usernames, now getting them from mentions

[FIX] Handle exceptions on ChatRoomsPresenter#chatRoomsByName()

Fix regression when deleting a message with attachments

[CHORE] Increment version code, name and remove suffix for releases

Merge branch 'develop-2.x' of github.com:RocketChat/Rocket.Chat.Android into chore/increment_build_number

[FIX] Keyboard is shown when opening the member list view.

[FIX] Rounded avatars

Merge branch 'develop-2.x' of https://github.com/RocketChat/Rocket.Chat.Android into fix/rounded-avatars

Merge branch 'develop-2.x' of https://github.com/RocketChat/Rocket.Chat.Android into fix/member-list

[FIX] Sign up screen

Show Guggy GIFs attachments

Updates kotlin plugin and fabric tools version

[NEW] Spotlight search if no results found on subscriptions

[NEW] Add capability of adding and clearing reactions to messages

[FIX] Logout