Steering classes for the cmake software that manages the build processes of the FairRoot software.

• modules directory stores the functions responsible for the identification of the packages that FairRoot depends on;
• scripts folder stores the functions that are checking the system requirements;
• cuda contains cmake modules to find the CUDA Toolkit (http://www.nvidia.com/object/cuda_home_new.html) enabling parallel computations on the NVIDIA GPUs;
• checks to test the cxx11 compatibility.