* aptdaemon/client.py: - add set_http_proxy() method to the transaction * aptdaemon/core.py: - add new dbus Property "HttpProxy" * aptdaemon/gtkwidgets.py: - setup http proxy from gconf automatically * data/org.debian.apt.policy.in: - change from "allow_active" "yes" to "auth_admin_keep" The reasons is that now that a unpriviledged user can set a proxy this may leak passwords from sources.list (deb http://user:pass@machine/) when a rouge proxy is set