Better test failure message
Improved format string checks

Now properly detects position/name based format strings.
Add test for percent handling in format strings
Strip all % from format strings
Collect any char as format string (same as gettext)
Wrap long line
Move pep8 run to tests
Look only for translated units on consistency checking
Translated using Weblate (Portuguese (Brazil))

Currently translated at 95.7% (828 of 865)
Merge remote-tracking branch 'origin/master'
Simplify condition
Nedd to process all units here
We should only look for translated units here
Honor propagation here as well
Delete stale checks and update cache
Share query
Move recursion to better place
factor out change generating
Configuration fields for suggestion voting (issue #248)
Do not misdetect %% as position based format string