VDR Dynamite Plugin

There are two new udev device properties which can be used by dynamite to control which devices should be attached and which not.

To keep /dev/dvb/adapter2/frontend* from being attach to every vdr instance:

ACTION=="add", SUBSYSTEM=="dvb", ENV{DVB_ADAPTER_NUM}=="2", ENV{dynamite_attach}="no" 

This would attach /dev/dvb/adapter2/frontend* to the vdr with the instance id "1" and all other frontends to the vdr instance "0":

ACTION=="add", SUBSYSTEM=="dvb", ENV{DVB_ADAPTER_NUM}=="2", ENV{dynamite_instanceid}="1" 
ACTION=="add", SUBSYSTEM=="dvb", ENV{DVB_ADAPTER_NUM}!="2", ENV{dynamite_instanceid}="0" 

To bridge gaps in the numbering of the dvb adapters dynamite uses udev to scan for dvb frontends at startup.
This ensures that every frontend will be found even if they are /dev/dvb/adapter1, /dev/dvb/adapter5 and /dev/dvb/adapter7.