This doesn't work, because gettext doesn't pick up the translations.
The context in the source string makes gettext think that it's a special
translation, while our workaround suggests that it has no context.

Transifex offers the option to add context manually.

Those changes aren't yet implemented, but will definitively be included.

Fixes #28.

Fixes #68.

The green now fully shines while I made the full black ring border a
dark grey.

To increase contrast, on suggestion by @grote.

As suggested by LocLab.

Still not working, but we surely need this...

Fixes #67.

On suggestions by yahoe.001 and anm on Transifex.

Credits of those texts go to:
* https://code.briarproject.org/briar/briar/-/blob/4e5f2e31df85cb6d56559bb99bc921d322f6a1af/TRANSLATION.md
* !65 (comment 41992)

Related to #65

Related to #66

Followup to !63

Closes https://code.briarproject.org/briar/briar-gtk/-/milestones/4