Fix for issue #8 : MeetingMessageSchema should return instance of itself, not rely on parent class.
Merge pull request #55 from jimdunkerton/8-meetingmessageschema

Fix #8: MeetingMessage returns the wrong schema
Merge branch 'master' into date-fixes

Conflicts:
	src/main/java/microsoft/exchange/webservices/data/MeetingMessageSchema.java