Started moving login and regsiter to UserManager
Moved login and register to UserManager, put all error and successful returns to CommunicationUtil
Merge branch 'master' into Random_Fixes

Conflicts:
	src/main/java/org/fides/server/Client.java
	src/main/java/org/fides/server/files/UserManager.java
	src/test/java/org/fides/server/ClientTest.java
	src/test/java/org/fides/server/files/UserManagerTest.java
Merge branch 'Random_Fixes'