* Adds circle-ci script

* Changed navigation library to react-navigation.
Refactoring on sagas to remove navigation navigation flow do it in views.
Added new modal library.
Renamed view files to the same name of their classes.
Added support to redux-devtools using the chrome extension through Remote devtools menu.
Some components was refactored to reduce complexity and more legibility.

* Remove react-native-navigation from Android

* Adding servers to drawer menu, allowing server switch.

* Sidebar component

* opss :x fix add server

* opss :x fix add server

* Fixed add server navigation issues, fixed empty and slow Rooms List and Chat Messages

* Disable cleanup everytime

* some fixes

* some fixes

*  fix?

* .

* Fixed logo not displaying when app is loading or signing to server

* Fixed logo in loading and login

* Update LoginView.js

* Update PublicRoutes.js