Add more standard executables to the ramdisk: dirname, tmux, iked, ikectl, npppd, npppctl, relayd, relayctl, ifstated, tftp-proxy. While at it, clean up for obsolete wicontrol.
Add 'screen' termcap entry; also required for tmux.
Hook up missing daemons to rc; while at it, clean up there.
Merge pull request #26 from KillerDiller/pull-20130914a

Add some more standard executables and daemons to the ramdisk.