logging with log4j 2.0
Merge remote-tracking branch 'origin/master'
Fixed compile and tests

Conflicts:
	server/src/main/java/lordmau5/mau5bot/Main.java
	server/src/main/java/lordmau5/mau5bot/irc/IRCConnection.java
	server/src/main/java/lordmau5/mau5bot/threads/ClientThread.java