openssh: update to 6.7p1

Signed-off-by: Peter Wagner <tripolar@gmx.at>
dovecot: update to 2.2.14

Signed-off-by: Peter Wagner <tripolar@gmx.at>
nut: Updated (c) notice

Signed-off-by: Martin Rowe <martin.p.rowe@gmail.com>
Merge pull request #444 from cyanidium/master

nut: Updated copyright (c) notice
db47: add a variant full which builds statistics etc. support

Signed-off-by: W. Michael Petullo <mike@flyn.org>
Merge remote-tracking branch 'openwrt/master' into db47