implemented cost function to be optimized in the pointing correction algorithm
implemented cost function to be optimized in the pointing correction
algorithm

jmichel-otb/s2p,MISS3D/s2p,carlodef/s2p,carlodef/s2p,mnhrdt/s2p,MISS3D/s2p,dyoussef/s2p,dyoussef/s2p,jmichel-otb/s2p,MISS3D/s2p,dyoussef/s2p,jmichel-otb/s2p,MISS3D/s2p,dyoussef/s2p,mnhrdt/s2p,jmichel-otb/s2p