Apologies for a slow reply, coding is over my head. But maybe this arrow pointing will help.
The developer went by the handle LPN out of Montreux Switzerland and his name is Louis-Philippe Normandin.
An extensive, 480 post thread on the apps development can be found here
http://forum.wegotserved.com/index.php/topic/18458-hp-ex48x-lights-management-driver-for-whs-2011/along with a discussion regarding the source code with a few other leads to folks that have it here:
http://forum.wegotserved.com/index.php/topic/18458-hp-ex48x-lights-management-driver-for-whs-2011/page-22This page may also help you get closer to the source code. It is found on page 2 post 22 of the above along with the poster email address
https://web.archive.org/web/20120214004338/https://bitbucket.org/adaptation/mediasmartserverd/overviewPlease let us know if you make any progress with this. I have a ex49x to test with using whs11 and newer server essentials OS.