Made CUDA_MAJOR_NUM and CUDA_MINOR_NUM variables utilize user-defined env variables over default variables.
Made CUDA_MAJOR_NUM and CUDA_MINOR_NUM variables utilize user-defined env variables over default variables.

UCI-CARL/CARLsim4,UCI-CARL/CARLsim4,UCI-CARL/CARLsim4,UCI-CARL/CARLsim4,UCI-CARL/CARLsim4,UCI-CARL/CARLsim4