Conflicts:
	wiki/src/blueprint/evaluate_Docker.mdwn

I'm told it's useful when reviewing translation updates. Admittedly, it should
be removed before merging into master, but I'm told ikiwiki does that
automatically sometimes. In any case: no big deal, that check is really
pedantic, and our PO files can very well be in good shape even with stray
previous msgid's.

The main goal being to remove the revoked UIDs with "T(A)ILS",
that show up in an ugly way in Seahorse:

   T: amnesia@boum.org 'A'

We need SVG to have good printing resolution anyway.

Conflicts:
	wiki/src/doc/first_steps/start_tails.mdwn

Conflicts:
	wiki/src/doc/first_steps/start_tails.mdwn

- People using Mac already know that **Option** is a key.
- The verb *press* only refer to keyboard keys.