Manages the configuration of each extensions and provides a UI to update the settings. The configuration is persisted as a document in the site area and is preserved for upgrades and reinstallation of the same extension
Updating the configuration of the configuration will all the extension manager to nominate a set of users to be able to access and update the configuration of a given extension.
Note: The user must have the correct URL normally added to quick access
* Add new group category access
* Add new group access for configuration
* Add new group access to manage extensions 
* Security improvements