Extended DB to include teams.
Extended DB to include teams.
Login, roles and team fully working through MySQL database. Week 3's requirement met:

1. Login using default admin account "admin:password"
2. Add a new user by "/adduser name password role [team]"
Merge branch 'master' of https://github.com/aequites7/COMP7081 into aequites7-master

Conflicts:
	src/client/Client.java
	src/server/DB/Users.java
	src/server/Login.java
	src/server/User.java
	src/server/UserThread.java
Merge branch 'aequites7-master'