Fix namespace
Merge branch '3.8'
Merge pull request #900 from nlegoff/replace_demand

[3.9] Migrate registration table to doctrine entity && refactor registration API
Bind task manager backbone app to websocket using autobahn
Add WS Connection object
Use new WS Connection object in task Manager App
Fix  init
Rename task option from configuration to status
Add application to admin
Remove unnecessary dependencies
WSConnection is not a singleton anymore
Add jquery.treeview, jquery.tooltip as dependency trought bower
Remove getters & setters
Add subscriber manager
Refactor admin javascript to backbone application
Update treeview.css
Bind subscriberManager object to task manager application