Successful compilation of hw5.cc and drawSphere.h drawing 2 spheres
without glutSolidSphere using slices and stacks and geometry calculation
and then adding light sources and some small abount of texturing.
Very close to the final changes for completion. Poles are covered and
quad composition
drawSphere.h mostly complete working on adding lighting and shading to
hw5. Initially copied code from shadedSphere, instead going to go with
shadedSpere2.
Final iteration of hw5 with lighting and shading and drawSphere order of
vertices writing for quads is counter-clockwise beginning with top left.
Cleaned up code for closing top of stack. Started stack loop at zero.
Fixed rightX/rightZ calc of first stack.
Changed keyboard function to match direction key change to direction of
rotation. i.e. 6 is right arrow so rotate image right. Did this for
right, left, up and down. Added special key function processing to
match, using arrow and page keys.

This is what I expect to be final so also pushing to Github