Fix a major memoryleak. Add method to dispose ZincGeometry. Add method to find ZincGeometry and ZincGlyphsets by name.
Fix a major memoryleak. Add method to dispose ZincGeometry. Add method to find ZincGeometry and ZincGlyphsets by name.

alan-wu/Web-based-Zinc-Visualisation,alan-wu/Web-based-Zinc-Visualisation,alan-wu/Web-based-Zinc-Visualisation