Change my email address to a non-gmail one.

Concerns were expressed on IRC over an over-centralization on gmail.

Without taking any position on the relevance of these concerns, it's
 easily enough to reduce them.
Make press page english-only until we have enough active translators
Drop bitcoin-for-press redirection
Update my gpg key.

The old one had a number of IDs on it that were long ago revoked,
 and was missing some IDs that I currently use.  The current key
 has been in keyservers for some time, but it's better to have
 it on the site too.
Merge branch 'master' into homepage

Conflicts:
	_layouts/base.html
	_translations/en.yml
Drop useless mode wide for press page
Shorten one question in the FAQ to fit inside available space