Added new mapping to get item to the Inventory Controller
Added a new query to Inventory Controller to update an item and to get
band members for an item.

To get the band members a bean and a DAO were created and the
inventory.xml file was updated with the new bean.
Added an auto complete and a controller to do the complete.
Added a new bean and dao for Downloadable item. Updated the controller
to add this new bean.
Implemented the getAll functionality of the Downloadable item.

Added a new Series bean and a chart controller to display chart data.

Added an inventory Facade to simplify the access to the service layer
Fixed merge problem
Updated grid view to disallow sort.

Added the last chart webservice.
Added last controller to show line chart.
Merge branch 'master' of https://github.com/leinb1dr/javatunes-webservice-spring
Updated unit test to test the functionality of the Inventory Controller
Added the forgotten requestmapping for the url