Refactor tasks to provide better messaging

This also includes a couple utility functions, wrap() and myslq().
Fix typo
Reload config after updating it in travis.prepare task
Allow empty passwords in util.mysql for travis
Remove @blurb magic from tasks

Invoke was not playing well with additional function decorators, so we go back
to calling things explicitly.
Add text [ci skip]
DRY-up fonts
Add TharLon (Burmese) font #59
Remove old dbutil.py
Add pathlib dependency
Add initial mn conversion for burmese
Merge branch 'master' into unstable