MessageReceiver for demo
demo
сообщения уходят/приходят
Merge branch 'feature/message_receiver'

Conflicts:
	.DS_Store
	DemoChat.xcodeproj/project.pbxproj
	Module/BMChatViewController.m
	chat.xcodeproj/project.xcworkspace/xcuserdata/bespalown.xcuserdatad/UserInterfaceState.xcuserstate