* Add unimodules

* Working on iOS

* Working on android

* Remove react-native-safari-view

* Remove previous android link lib

* Show webpage title on Android

* Fix iOS build

We need to migrate from deprecated react-native-fabric to react-native-firebase.
This PR enables following Firebase features:
* Analytics
* Crashlytics
* Performance

It also tracks screen view without the necessity of HOC.

Future work:
I won't do it in this PR because it's large enough, but we need to log more app events, like 'sent_message', 'open_admin', 'media_upload', etc.

* 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

* Downgrade react-native-fast-image

* Update iOS permission usage descriptions

* [FIX] Delete upload item

New Authentication layout

* Composer layout tweaked

* Fix localization error

* Bump version to 1.3.2

* Fix user.roles

* Better onLongPress handle on messages

* Indicator position

* Fix role undefined in system messages

* Add baseUrl in case of file attachments

* Join room fixed

* RoomView params

* Broadcast fixes

* Add server layout changes

* Use native images

* Subscribe to not joined channels

* Fix alerts without i18n

* Tests updated