Incorporated corrections to stereographicAzimuthalProjection.java given by Heiko Klein.  These changes fixed a scaling issue (m to km) and also corrected a problem that led to right/left inversion of images.  User Egil Storen first reported the problem in the IDV, and the problem was also seen in ToolsUI.  Issue corrected in both using data files provided by Egil Storen, one of which had semi-major and semi-minor axis information.