Prepare for templatize FReal

Src/Kernels/Interpolation/FInterpP2PKernels.hpp

Src/Kernels/P2P/FP2P.hpp

Src/Kernels/P2P/FP2PR.hpp

Src/Kernels/Rotation/FRotationKernel.hpp

Src/Kernels/Rotation/FRotationOriginalKernel.hpp

Src/Kernels/Spherical/FAbstractSphericalKernel.hpp

Src/Kernels/Taylor/FTaylorKernel.hpp

Src/Kernels/Taylor/FTaylorKernelSimple.hpp

Tests/Kernels/testP2PEfficency.cpp

Tests/noDist/testP2PAvx.cpp