Packaging

<!> One thing got me a lot of time to figure:
    libKdV.so must be on the LD_LIBRARY_PATH
Gradient test
Lanczos SVD online!

Small tranposition issue (sVec) in kdvLauncher
Solution to the transpose of sVec?

To be verified (lanczos calculation are lenghty!)
oups! kdvLanczosLib.f95 was missing!