implemented gaussian kernel on gpu

OFCUDA/CMakeLists.txt

OFCUDA/cmake/EigenConfigureTesting.cmake

OFCUDA/cmake/EigenDetermineOSVersion.cmake

OFCUDA/cmake/EigenDetermineVSServicePack.cmake

OFCUDA/cmake/EigenTesting.cmake

OFCUDA/cmake/FindAdolc.cmake

OFCUDA/cmake/FindBLAS.cmake

OFCUDA/cmake/FindCholmod.cmake

OFCUDA/cmake/FindEigen2.cmake

OFCUDA/cmake/FindEigen3.cmake

OFCUDA/cmake/FindFFTW.cmake

OFCUDA/cmake/FindGLEW.cmake

OFCUDA/cmake/FindGMP.cmake

OFCUDA/cmake/FindGSL.cmake

OFCUDA/cmake/FindGoogleHash.cmake

OFCUDA/cmake/FindLAPACK.cmake

OFCUDA/cmake/FindMPFR.cmake

OFCUDA/cmake/FindMetis.cmake

OFCUDA/cmake/FindOpenCL.cmake

OFCUDA/cmake/FindPastix.cmake