db47: add a variant full which builds statistics etc. support

Signed-off-by: W. Michael Petullo <mike@flyn.org>
bogofilter: install postfix-bogofilter script

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

Signed-off-by: W. Michael Petullo <mike@flyn.org>
Merge branch 'bogofilter' into golem

Signed-off-by: W. Michael Petullo <mike@flyn.org>

Conflicts:
	mail/bogofilter/Makefile
Merge branch 'db47' into golem

Signed-off-by: W. Michael Petullo <mike@flyn.org>

Conflicts:
	libs/db47/Makefile