refactored crontabber to use transaction_executors
rewrote mixins.py - refactored all crontab apps

Conflicts:
	socorro/cron/jobs/bugzilla.py
pep 8 & pyflakes cleanup
Merge pull request #1929 from selenamarie/the-once-and-future-state-of-master

The once and future state of master
added timeout to stackwalker invocation
adjusted for longer timeout
Merge pull request #1745 from twobraids/crontabber-transaction

fixes Bug 950735 (v78) -  refactor crontabber to use the transaction_executor
Fixes bugs 978098, 978100, 978102, 974084 - Use query string parameters in the middleware and the webapp. r=peterbe
fixes bug 981034 - LagLog crontabber app is failing after new crontabber refactor
Merge pull request #1932 from peterbe/bug-981034-laglog-crontabber-app-is-failing-after-new-crontabber-refactor

fixes bug 981034 - LagLog crontabber app is failing after new crontabber refactor
Fixes bug 980077 change laglog to lag_log in cron job
fixes bug 847982 - paginate comments on report list, r=AdrianGaudebert
fixes bug 977965 - Sort bug IDs per crash signature alphabetically, r=AdrianGaudebert
fix 980435
Merge pull request #1934 from phrawzty/bug980435

fixes 980435
Merge pull request #1933 from selenamarie/bug980077-fix-laglog

Fixes bug 980077 change laglog to lag_log in cron job
fixes bug 928051 wip
fixes bug 929204 - Remove all obsolete crontabber code related to storing the state in a json file
Merge pull request #1899 from rhelmer/bug928051-reports_clean-b2g

(NEEDS REBASE) fix bug 928051 - get b2g into reports_clean
(no bug) fix migration downrev