Reorganization of benchmarks - moved into src

CMakeLists.txt

build

src/Benchmarks/BLAS/CMakeLists.txt

src/Benchmarks/BLAS/array-operations.h

src/Benchmarks/BLAS/cublasWrappers.h

src/Benchmarks/BLAS/spmv.h

src/Benchmarks/BLAS/tnl-benchmark-blas.cpp

src/Benchmarks/BLAS/tnl-benchmark-blas.cu

src/Benchmarks/BLAS/tnl-benchmark-blas.h

src/Benchmarks/BLAS/vector-operations.h

src/Benchmarks/Benchmarks.h

src/Benchmarks/CMakeLists.txt

src/Benchmarks/HeatEquation/BenchmarkLaplace.h

src/Benchmarks/HeatEquation/BenchmarkLaplace_impl.h

src/Benchmarks/HeatEquation/CMakeLists.txt

src/Benchmarks/HeatEquation/DirichletBoundaryConditions.h

...hmarks/HeatEquation/HeatEquationBenchmarkBuildConfigTag.h

src/Benchmarks/HeatEquation/HeatEquationBenchmarkProblem.h

...nchmarks/HeatEquation/HeatEquationBenchmarkProblem_impl.h

src/Benchmarks/HeatEquation/HeatEquationBenchmarkRhs.h