added server
added sending messages
added list of rooms and sending messages to selected room
Merge branch 'feature/listRooms' into mainbutton

Conflicts:
	officeNotify/Pods/Pods.xcodeproj/project.pbxproj
	officeNotify/officeNotify.xcodeproj/project.pbxproj
	officeNotify/officeNotify/AppDelegate.swift
fixes after merge