this branch adds support for 4096-bit key generation on OpenPGP
smartcards, and generally improves support for these devices, thanks
to the introduction of GnuPG v2 and associated tools, that we fetch
from wheezy-backports (that's where the versions that work fine live).
The exact set of added/upgraded (package, version) tuples is exactly
the same as we've tested with anonym last month.
This branch has been merged into experimental for a few weeks.
Ticket #7004 tells quite a bit about the various regression tests that
were conducted. Note that GnuPG v1 is still the default for most, if
not all, tools we ship, so in practice 99% of usecases will only be
affected by the gnupg-agent upgrade.
