MUC role mapping
Merge branch 'master' of https://github.com/KimShen/sissi

Conflicts:
	src/main/java/com/sissi/pipeline/in/presence/muc/PresenceMucJoin2FansProcessor.java
	src/main/java/com/sissi/pipeline/in/presence/muc/PresenceMucJoin2SelfProcessor.java
	src/main/java/com/sissi/pipeline/in/presence/muc/PresenceMucLeave2AllProcessor.java
	src/main/java/com/sissi/protocol/muc/Item.java
	src/main/resources/configs/config-in-presence-muc.xml