v1.6.0

• 1.6.0 (12.01.2017)
  • RoomResponse:
    • Remove favouriteOrder
    • Add avatarUrl
    • Add groupId
    • Add public
    • Add activity
    • Add premium
  • UserResponse:
    • Add avatarUrl
    • Add role
    • Add staff
  • Rx,Async,Sync:
    • Add delete room API
    • Remove channels API
    • Fix joinRoom API
    • Add getRoomById API
    • Add getBannedusers API
    • Add banUser API
    • Add unBanUser API
    • Add Welcome API support
  • Faye
    • Update OkHttp to version 3.5.0