Fix $app connection in Register Method

Register method failed to get a copy of the Application for all uses.
Moved old administrator/com_config to administrator/com_config_old
Added already implemented com_config which follows new MVC
JSON view filter out required data only
Revert "JSON view filter out required data only"

This reverts commit 371576997fc17662f9a749d820b9cc4be907d37e.
slight changes in backend files
json view changed
CS issue in json view fixed
Added initial version of com_services; frontend admin panel
DB entry for com_services added
Removed unnecessary files
Corrected code block issues
Further modified front end com_services
Removed initial version of com_services front end component
Added com_services through Extension Manager
Change back-end controllers to suite service requests and version
changes
Change front-end with demo service consumption
Fixed back-end since version issue
Handled no controller found error in com_services
Admin Services module added