add crud for user
code formatting, organize imports
add crud for user
code formatting, organize imports
fix imports
removed cast and unused parameter
Adding 'enabled' flag on interface and JPA implementation
Reflecting new field in update function of the client service
making enabled the default state
add crud for user
code formatting, organize imports
fix imports
removed cast and unused parameter
Merge branch 'AGPUSH-137' of https://github.com/aerogear/aerogear-unified-push-server into AGPUSH-137
Merge branch 'AGPUSH-137' of https://github.com/sebastienblanc/aerogear-unified-push-server into AGPUSH-137

Conflicts:
	src/main/java/org/jboss/aerogear/connectivity/rest/user/UserEndpoint.java
Sending message only to 'enabled' installations
Merge branch 'AGPUSH-137'
Increasing vers. nr
Improving CORS
Adding some more JavaDocs