deleted unused types from API
removed used class VertexAttribute. Other API changes
added texture class
load textures, bind to slot.
added material type
Remove RenderableEntity
function to load from files
added bounding box with function to create from a set of vertices
added bounding spheres and intersector classes
implement screen pos to world space ray picking
update readme
remove invidual gemetric headers and placed into one header to clean up API
partial bboxes
Merge branch 'picking' into develop
update readme
Added interface to frame and render buffers. added to texture interface
implemented generic opengl buffer interface, IGLBuffer
update readme
interface to private members of IGLBuffer
docs