Michal Čihař - Weekly phpMyAdmin contributions 2017-W33

Weekly phpMyAdmin contributions 2017-W33

Last week was a bit less intensive on bug fixes, but I've spent quite a lot of time on improving our localized documentation and fixing various errors there. This is really something what should be automatically checked in Weblate in the long term, but right now it results in build failures in Travis.

Handled issues: