Enabled remote backend db support

Packages describing “remote” as local USE flag

Package “remote” Flag Description
dev-libs/xapian Enabled remote backend db support
net-im/gajim Controling Gajim instance from command line with gajim-remote
net-libs/libpcap Enable remote packet capture which may expose libpcap-based applications to attacks by malicious remote capture servers!
net-dns/pdns Use a generic socket or pipe as a backend (via JSON RPC requests).
net-p2p/amule Enable remote controlling of the client

All packages providing a “remote” USE flag (4)