cmake OpenNI2 examples

robotology/yarp cmake/YarpFindDependencies.cmake :375 

find_package(OpenNI2 QUIET)

MarianoJT88/Joint-VO-SF CMakeLists.txt :14 

FIND_PACKAGE(OpenNI2 REQUIRED)

OpenKinect/libfreenect2 CMakeLists.txt :462 

FIND_PACKAGE(OpenNI2)

ucla-vision/xivo thirdparty/Pangolin/src/CMakeLists.txt :450 

find_package(OpenNI2 QUIET)