Fixed OpenGL Invalid Operation.  Border line drawing mistakenly contained a glBegin/glEnd pair inside another glBegin/glEnd pair.
WB-382: Draw Borders as Unstretched Lines: Instead of implementing the unstretched lines functionality, lines are not drawn when one of the endpoints does not project to the flat surface, typically due to a cut or medial wall removal.
document the ability to use "make install", and using OSMesa, fix version info of Quazip