Translated using Weblate (Danish)

Currently translated at 100.0% (979 of 979)
Fixed INSTALL symlink (fixes #428)
Better error message
Factor out key reading
Better message for registration problems
Fixed donation links (closes #429)
Update po files
Base our rendering on DejaVu fonts

It has quite good basic coverage for most of languages. We still
fallback to DroidSansFallback for others.

Fixes #430
Translated using Weblate (Spanish)

Currently translated at 100.0% (983 of 983)
Translated using Weblate (Czech)

Currently translated at 100.0% (983 of 983)
Translated using Weblate (Greek)

Currently translated at 100.0% (983 of 983)
Missing closing bracket
Translated using Weblate (French)

Currently translated at 100.0% (983 of 983)
Translated using Weblate (Turkish)

Currently translated at 100.0% (983 of 983)
Merge pull request #431 from lem9/master

Missing closing bracket
Translated using Weblate (Dutch)

Currently translated at 99.4% (978 of 983)
Translated using Weblate (French)

Currently translated at 100.0% (983 of 983)
Translated using Weblate (Traditional Chinese)

Currently translated at 99.2% (976 of 983)
Merge remote-tracking branch 'origin/master'
Translated using Weblate (Slovenian)

Currently translated at 99.8% (982 of 983)