invitation
commit
Merge branch 'zxh' of https://github.com/horzwxy/iSummon into zxh
li
Merge branch 'master' into zxh

Conflicts:
	src/com/isummon/model/MyInvitation.java
	src/com/isummon/net/NetHelper.java
	src/com/isummon/net/RealNetHelper.java