fixed earlier mistakes vec2/vec3 mistakes
added shaders files
enable vertex attibute array
- added texture coordinates to cube
-
added a plane.
add a glslattributebinder and its vao counterpart.
combine VAOGLSLDelegatee and VAODelegatee by parameterizing them with GLSLAttributeBinder
fixed an earlier mistake
draw a cube now.
update build for test
clear up virmodel header file
eliminate unused methods