[NEW] Create channel layout (#420)

* RoomsListView layout

* Rooms list layout

* Sort component

* Header icons

* Default header colors

* Add server dropdown

* Close sort dropdown if server dropdown will open

* UserItem

* Room type icon

* Search working

* Tests updated

* Android layout

* Using realm queries instead of array iterates

* Animation duration

* Fixed render bug

* - NewMessageView
- backButtonTitle always empty
- SearchBox created

* New create channel layout

* Search refactored

* loginSuccess dismiss modal

* Tests working