App would show an empty space on servers that require authentication on avatar access

Shows "Updating..." when requesting rooms from Rest API.

Creates Icons class to manage when to load icons from native side or react-native-vector-icons.
It also fixes `react-native run-android` #517 

* Downgrade react-native-fast-image

* Update iOS permission usage descriptions

* [FIX] Delete upload item

* Add Navigation class

* Place Drawer.js logic inside of Navigation

* Load less views at startup

* shouldComponentUpdate

* Rooms list shouldcomponentupdate

* RoomView shouldComponentUpdate

* Messagebox and Message shouldComponentUpdate

* EmojiPicker shouldComponentUpdate

* RoomActions shouldComponentUpdate

* Room info shouldComponentUpdate

* Update RNN

* Use only one Flatlist if none group filter is selected

* Update fix

* shouldComponentUpdate

* Bug fixes

* ListView changes

* Bug fix

* render list bug fix

* Changes on public channels

* - RoomView saga leak removed
- Join room e2e tests added

* Rest versions

* Method call versions

* Min RocketChat version alert

* Room files

* Pinned messages

* Starred messages

* Mentioned messages

* Search messages

* Bug fixes

* Profile

* Livechat

* Block/unblock user

* Erase room

* Archive room

* Remove unused method

* Bug fix

* [FIX] Android stuck on splash screen after hardware button is pressed

* Fix empty user at asyncstorage

* Remove unused subscribe

New Authentication layout

* v2

* Working on Android 0.57.3

* Drawer working

* Removing v1 navigator

* - Splash screen
- Icons changed

* Deeplink

* Remove EventEmitter from CreateChannelView

* Android search

* Android notifications

* OAuth

* Fix search props

* Lint and tests fixed

* Fix android build

* Improvements on iPhone X* usage

* Fix detox

* Fix android build

* Room.f added to RoomView.shouldComponentUpdate

* Animations on RoomsListView and RoomView

* Fix topbar buttons on Android

* [FIX] Logout

* Removed realm instances on rooms list

* JS SDK

* API working

* Multiple servers

* Render custom fields on user info

* renderCustomFields fix

* Display custom fields in user info

* Fix lint error

* [FIX] Handle deleted messages

* Fix rest error

* Fix some connection issues

* Composer layout tweaked

* Fix localization error

* Bump version to 1.3.2

* Use react-native-gesture-handler at RoomItem

* Fixed info message author

* Edit message render improvement

* Fix ws to http replace

* Update dependencies

* Lint and test

* Added react-native fork

* rn 57

* Lint and tests updated

* Update xcode on circleci

* Use legacy build system

* Update tests

* Inline requires

* Fix eslint and remove temp gradle

* Unnecessary renders

* Update isNotch and Readme

* Tests updated

* Update dependencies

* Lint and test

* Added react-native fork

* rn 57

* Lint and tests updated

* Update xcode on circleci

* Use legacy build system

* Update tests