OK. Think I've found the cause that prevents my nas from sleeping. After upgrading sync to 1.4.110 and adding the required lines to my config file so it looks like this
I found that my nas was still staying awake. even with sync shutdown on all other devices. and at one point I even unplugged my nas from the network for an hour to guarantee there was no possible connection to it, but it still would not sleep.
Anyway, from there I was getting a bit frustrated and decided to tinker around with putty, mc and some very long log files and I believe I have found the cause of my nas always being awake and I believe it to be the trackers on my shares. here is a screenshot of my logfile.
as you can see sync appears to be requesting peers from my trackers every 2-3 minutes and I believe this is the cause of my nas staying awake.
to test this theory I disabled trackers on my shares and after 5-10 minutes my nas dropped right into sleep mode and stayed asleep for about an hour until i putty'd in and checked the log file which had no entries in that time.
i then left my nas running over night connected to an energy monitor, checked the log files this morning and they were clear, and the energy monitor detected no increase in power drain suggesting that my nas had stayed asleep the whole night.
I then decided to reeneable trackers and left my nas to run while i went to work. upon returning home once again checked the energy monitor and logs, found no drop in power drain to signify my nas ever slept and the log file full of lines like those in the screenshot above.
So now i have once again turned trackers off on my shares, only now i find that my folders don't seem to sync. i randomly dumped a dozen photos in my documents folder and after an hour of being home my nas still hasn't woke up to sync the files, I'm not sure if this is directly related to the trackers option or maybe connected to the "folders stuck out of sync bug" mentioned in the op of this thread.
so it seems in solving the sleep issue i have created a sync issue.
Any suggestions on what to do next?