Adding more information about new components
Adding more information about new components

Adding more info to the 'what's new' section.
NeerajW/HoloToolkit-Unity,paseb/MixedRealityToolkit-Unity,paseb/HoloToolkit-Unity,HattMarris1/HoloToolkit-Unity,out-of-pixel/HoloToolkit-Unity,willcong/HoloToolkit-Unity