BBox: Bugfixes for empty boxes
Statistics: Add function for outlier detection
Statistics: Refine function for outlier detection
MapTransform: Comments added
StereoModel: Catch all exceptions
Make stereo handle holes in DEM

tmp3
MapTransform: comments added
renamed:    MapTransform.cc -> GroundToCameraTransform.cc
renamed class MapTransform to GroundToCameraTransform
MapTransform: Wipe old class, and rename
renamed:    GroundToCameraTransform.cc -> Map2CamTrans.cc
Map2CamTrans: Indent