Add optional vs. required elements in the JSON deserialization
Add optional vs. required elements in the JSON deserialization

leemichaelRazer/OSVR-Core,leemichaelRazer/OSVR-Core,OSVR/OSVR-Core,godbyk/OSVR-Core,d235j/OSVR-Core,OSVR/OSVR-Core,Armada651/OSVR-Core,d235j/OSVR-Core,godbyk/OSVR-Core,feilen/OSVR-Core,godbyk/OSVR-Core,Armada651/OSVR-Core,Armada651/OSVR-Core,godbyk/OSVR-Core,leemichaelRazer/OSVR-Core,leemichaelRazer/OSVR-Core,leemichaelRazer/OSVR-Core,feilen/OSVR-Core,OSVR/OSVR-Core,feilen/OSVR-Core,Armada651/OSVR-Core,OSVR/OSVR-Core,d235j/OSVR-Core,feilen/OSVR-Core,OSVR/OSVR-Core,d235j/OSVR-Core,godbyk/OSVR-Core,d235j/OSVR-Core,feilen/OSVR-Core,Armada651/OSVR-Core,OSVR/OSVR-Core,godbyk/OSVR-Core