Update ReleaseNotes file.
Update ReleaseNotes file.

kopchik/pyusb,karlp/pyusb,kopchik/pyusb,swinman/pyusb,swinman/pyusb,AlanJAS/pyusb,rabryan/pyusb,AlanJAS/pyusb,rabryan/pyusb,makerbot/pyusb,makerbot/pyusb,karlp/pyusb,h3nj3/pyusb,h3nj3/pyusb