- in memory repository for settings for now (will move to DB)
- repository and interactors for Current server

Merge branch 'feature/show-chat-list-using-sdk' of https://github.com/filipedelimabrito/Rocket.Chat.Android into filipedelimabrito-feature/show-chat-list-using-sdk

Remove the SDK as an module, using a simple shell script to build jars and install locally into app/libs

Also rename formatDate function to formatLocalDate.

Merge branch 'develop-2.x' of github.com:RocketChat/Rocket.Chat.Android into layout/finishing-authentication-screens