mixins inadvertently propagate changes to other classes in same inheritance chain
fixes bug 998510 - crontabber state chokes on jobs that have no last_success
up'd the configman requirement to the current latest
Merge pull request #2013 from peterbe/bug-998510-crontabber-state-chokes-on-jobs-that-have-no-last_success

fixes bug 998510 - crontabber state chokes on jobs that have no last_success
Revert "Fixes bug 913039 - Added a cron job to delete old elasticsearch indices. r=peterbe,phrawzty"

This reverts commit 9befc733f365eddd043c2e30d06c3d552e340b57.
Merge pull request #2011 from twobraids/mixin-mixup

Fixes Bug 999060 - mixins inadvertently propagate changes to other classes
Merge pull request #2017 from lonnen/bug913039-revert-problematic-test

This reverts commit 9befc733f365eddd043c2e30d06c3d552e340b57.
Merge pull request #2015 from twobraids/configman123

FIxes Bug 999064 - up'd the configman requirement to the current latest
fixed comparison of date DD with date YYYYMMDD