Registered hosts can connect to multicast tasks where the image is not the same as the original host.  It basically temporarily sets the image ID to allow the tasking to be created and associate to the proper task.

git-svn-id: https://svn.code.sf.net/p/freeghost/code/trunk@2489 71f96598-fa45-0410-b640-bcd6f8691b32
Merge svn with master