add initial examples, replacing the 'Demos/Demos3'. Will make it work cross-platform, OpenGL3/OpenGL2 and add more examples to it.

examples/Importers/ImportColladaDemo/ColladaGraphicsInstance.h

@@ -0,0 +1,35 @@
+/*
+Bullet Collision Detection and Physics Library http://bulletphysics.org
+This file is Copyright (c) 2014 Google Inc. 
+
+This software is provided 'as-is', without any express or implied warranty.
+In no event will the authors be held liable for any damages arising from the use of this software.
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it freely,
+subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+
+//original author: Erwin Coumans
+*/
+
+#ifndef COLLADA_GRAPHICS_INSTANCE_H
+#define COLLADA_GRAPHICS_INSTANCE_H
+
+#include "btMatrix4x4.h"
+
+struct ColladaGraphicsInstance
+{
+	ColladaGraphicsInstance()
+		:m_shapeIndex(-1)
+	{
+		m_worldTransform.setIdentity();
+	}
+	btMatrix4x4	m_worldTransform;
+	int m_shapeIndex;//could be index into array of GLInstanceGraphicsShape
+	float m_color[4];
+};
+
+#endif //COLLADA_GRAPHICS_INSTANCE_H