EUCA-7858
reach into search config to get the records it sets in custom_source
EUCA-7858
also wired expando to use proper collection that search uses
EUCA-7858
use proper collection (not type:machine filtered) for expando kernel/ramdisk
Merge pull request #150 from eucalyptus/EUCA-7858

EUCA-7858
EUCA-7843
probably simplest way I could come up with to strip public images on the proxy for allimages cache, and add images collection into allimages on the client side
Merge pull request #151 from eucalyptus/EUCA-7843

EUCA-7843
Merge branch 'testing' into EUCA-7828