fix bug 928051 - correct error in migration script
bug 928051 - ensure update_channel is not null
bug 928051 - run update_product_versions along with migration
bug 928051 - new keys on JSON
bug 977857 - put % inside parentheses
Merge pull request #1942 from rhelmer/bug977857-topcrasher-number-as-well-as-percentage

bug 977857 - put % inside parentheses
Merge pull request #1938 from rhelmer/bug928051-fix-citext-migration

fix bug 928051 - correct error in migration script
fixes bug 928051 - need to restrict update to uuid
Merge pull request #1943 from rhelmer/bug928051-b2g-reports_clean-followup

fixes bug 928051 - need to restrict update to uuid