TODO: When plugin could not be loaded, log stderr output somewhere
TODO: Add option USE_LIRC=yes|no (see http://www.vdr-portal.de/board/thread.php?postid=829057#post829057)
TODO: Get rid of bash in init script
TODO: The runvdr module (re)loading stuff is weird - it was introduced to workaround driver bugs and can probably be removed
TODO: Get rid of configuraable PLUGIN_DIR, PLUGIN_CFG_DIR, PLUGIN_PREFIX, CMDHOOKSDIR and REC_CMD
