Follow OpenKinect/libfreenect2 change in README
Follow OpenKinect/libfreenect2 change in README

Closes #154

code-iai/iai_kinect2,cmcmurrough/iai_kinect2,MRASL/iai_kinect2,MRASL/iai_kinect2,cmcmurrough/iai_kinect2,ShibataLab/iai_kinect2,ShibataLab/iai_kinect2,personalrobotics/iai_kinect2,code-iai/iai_kinect2,personalrobotics/iai_kinect2,code-iai/iai_kinect2