Router created, Wrappers changed and Rules modified

Router might be missing some things. We should be careful not to
override it, though.
Merge branch 'master' of https://github.com/warreq/EasyTeach

Conflicts:
	MBOEasyTeach/src/com/easyTeach/server/databaseWrapper/ClassWrapper.java
	MBOEasyTeach/src/com/easyTeach/server/databaseWrapper/UserWrapper.java
	MBOEasyTeach/src/com/easyTeach/server/domainLogic/Router.java