add SGBM laplacian
added: heigh_rpc_move (transport height maps)
improve height_rpc_move.c by allowing to set the output canvas size
small change
fix "too many open files" problem
wrong call to hirschmuller08 laplacian
added subsampling factor as output file (useful for the tile compositing)
tile composer tools
add veco
fixed some crashes due to not enough sift matches
add stuff to the composer
vectorized the function compute_height
Merge branch 'master' of github:gfacciol/s2p
fix bug in compute_height function. With vectorization, the compute_height
function is around 40 times faster (tested with a set of 500 matches)