settings: remove heka routing for CEF logs
Fixes Bug #1017935
trigger loaded event on app intaller iframe load
Merge pull request #2106 from jasonthomas/remove-heka

settings: remove heka routing for CEF logs
Added l10n menu to versions edit page
Catch up on SQL migrations (bug 999119)
Fix migration
clean up settings (bug 999774)
clear out secret key and some pass flake8 (bug 999774)
change to sane default, but raise an error if its unchanged on prod (bug 999774)
Merge pull request #2102 from andymckay/999774

clean up settings (bug 999774)
Fix site settings imports after lib/settings_base move