Merge branch 'develop' of git@github.com:RocketChat/Rocket.Chat.ReactNative.git; branch 'develop' of github.com:RocketChat/Rocket.Chat.ReactNative into develop

* chore(package): update dependencies

* docs(readme): add Greenkeeper badge

Init support to iPhone X

# Conflicts:
#	app/views/LoginView.js
#	app/views/RegisterView.js

* - Add server from logged session working

* get /me from rest api and append to user reducer

* Removed comments from login saga

* user reducer logic

* Jump to set username screen when user is logged without username

* lint fix after merge

* lint fix

* terms and privacy

* Update PublicRoutes.js

* Update LoginView.js

* Forgot password working

- logout
- changed default server to open.rocket.chat

* fixed server change bug

* Added feature to register a new user

* login after register working

* Removed username from register and placed on a new view

* loading indicator on username submit

* register/username logo layout issue

* - login and register background white

* - logo removed from logo and register

* Adds circle-ci script