Closes #826
Closes #827
Closes #828
Closes #829
Closes #830
Closes #831
Closes #832
Closes #833

* Fix null native Messagebox component object

* [iOS] Fix header alignment

* Remove unused files

* New Icons

* Remove unused assets

* Change send icon

* Layout tweaks

* Refactor Status

* Styles changed

* User layout fix

* Separator layout changes

* Sidebar status layout fix

* Fix Message.onLongPress issue

* Fix code markdown
Closes https://github.com/RocketChat/Rocket.Chat.ReactNative/issues/625

* Status lint

* Fix tests

* Navigation debounce

* RoomActions icons

* Space between components

* Group text

* Update tests

* Remove touchable opacity when scrolling messages
* Tap on disable messages closes keyboard
* Unify vibration
* Vibrate only on Android

* Remove drawer (layout needs to be changed in future releases, though)
* Don't navigate outside on logout if there's other logged server
* Update react-native-navigation

* Remove listeners from room
* Properly close connections on change server
* Minor layout change on connecting badge

[FIX] Start loop searching for rooms updates only when connection goes down and SDK has userId (#613)