some doxygen updates, added some comments to classes, fix broken links, rename some prefix some internal GIMPACT collision structures using (for example use GIM_AABB instead of BT_AAABB),

removed obsolete btGjkEpa (it was replaced by btGjkEpa2 ages ago)

src/BulletCollision/BroadphaseCollision/btQuantizedBvh.h

@@ -369,7 +369,7 @@ public:
 		btVector3 v = (point - m_bvhAabbMin) * m_bvhQuantization;
 		///Make sure rounding is done in a way that unQuantize(quantizeWithClamp(...)) is conservative
 		///end-points always set the first bit, so that they are sorted properly (so that neighbouring AABBs overlap properly)
-		///todo: double-check this
+		///@todo: double-check this
 		if (isMax)
 		{
 			out[0] = (unsigned short) (((unsigned short)(v.getX()+btScalar(1.)) | 1));