homebridgeDirectory enhancement request
on my raspi I have two different users, "homebridge" - used for homebridge daemon service runtime - and "pi" for all other purposes. 
the daemon starts homebridge from /var/homebridge; when I stop it and I make my experiments or test some different configuration I do it from /home/pi/.homebridge. when I finish testing a configuration, I copy config.json from the second path to the first, and I relaunch the daemon.

the problem is that while I move on /var/homebridge, I need to indicate that path on "homebridgeDirectory" parameter on config.json, otherwise the daemon doesn't start. this happend only with your (fantastic) plugin, becouse the others don't matter where your're launching homebridge from.

a good enhancement could be removing the need to indicate "homebridgeDirectory" and let plugin work from every path without the need to indicate that.

thanks for the attention and thanks for your work!