Create check_imbdii.sh

#This probe will check the full end-to-end image management process and the
#dynamic data gathering functionalities of the site BDII. In particular, it
#will verify that images from a given vmcatcher image list are correctly
#displayed into the BDII. Since the BDII gathers the image list information
#directly from the cloud middleware, if this image list is the same as the one
#in the original vmcatcher image list we can suppose that the cloud middleware
#correctly registered all the image list images.