Merge pull request #1888 from rhelmer/bug972612-gccrashes-per-adu

fix bug 972612 - is_gc_count should be per-adu
Merge pull request #1889 from rhelmer/bug972612-gccrashes-per-adu

fix bug 972612 - filter out products with 0 ADU
fix bug 972612 - use build_adu and crashes_madu, limit crashes to w
ithin 7 days of build date