Fixed dateserialization in gson and wallproblems
Merge branch 'webservice' of https://github.com/Happyness/social into webservice

Conflicts:
	Social/WebContent/user/messages.xhtml
	Social/src/se/kth/backend/model/dao/PrivateMessageDao.java
	Social/src/se/kth/backend/model/dao/UserLogMessageDao.java
	Social/src/se/kth/backend/resource/UsersServerResource.java
	Social/src/se/kth/backend/resource/WallServerResource.java
	Social/src/se/kth/common/WallResource.java
	Social/src/se/kth/common/model/bo/PrivateMessage.java
	Social/src/se/kth/frontend/handler/UserHandler.java

Heavy merge