not yet working
rect and rounded rect working
regular polygon points
effective points only for rects, round rects, and regular polygons
effective points of rect and rounded rect is now persistent
code cleanup
more code cleanup
added relativepoints as well
refactored
patched roundrect memory leak
Merge branch 'rect_points' of https://github.com/mwieder/livecode into feature-effective_graphic_points

Conflicts:
	prebuilt
[[ EffectivePoints ]] Added release note.
Merge branch 'feature-effective_graphic_points' into develop