Add glyph module find glyph by type C++ API.  Issue 2107.
Add glyph module find glyph by type C++ API.  Issue 2107.

OpenCMISS/zinc,OpenCMISS/zinc,OpenCMISS/zinc,hsorby/zinc,OpenCMISS/zinc,hsorby/zinc,hsorby/zinc,hsorby/zinc