Jezero reference dataset

Reference dataset for the CaSSIS pipeline, Jezero site (observation MY36_016378_162). Inputs (framelet cubes and cameras, coarse linescan DEM aligned to CTX, CTX reference and drape, site config) and expected outputs (the produced DEM, its elevation difference to CTX, and the two registration disparity bands). Unpack, then run the heavy stages from the unpacked directory as described in the README. About 300 MB unpacked.