Stickmount is not good on JB ROMs, try another program like USB Mass Storage Watcher, there's several good ones that work.
OTG definitely works with this ROM and all ROMs based on Hashcode's kernel.
This is a good small powered hub:
Normal 5.0.8 running smooth and stable here, thanks for the work.
Go to menu/system settings/ storage, touch the three little dots in the top right corner for USB computer connection, enable USB storage.
Do that first.
A useful link for anyone who needs the hex code for a particular colour.
Get Button Saviour from the Market, it'll fix you up.