Renamed DGamma files
Renamed structure files and removed Cholesky array multiplication
Dropped InvPartArrayXxx functionas and SameStripedCholesky
Dropped Mosaic classes
Intermediate changes
Refactored VarproFunction mainly
Renamed Layered Hankel Matrices
Added premultiplication by weights
Added possiblity of GCD cost function on a low level
Intermediate commit
Fixed bugs in computations