If user wants more accurate inertia tensor for multi-sphere shape, use btCompoundShape instead
(amd btCompoundShape::calculatePrincipalAxisTransform)
Thanks rcharlton for bringing this up.
Erwin
rename AddSingleResult to addSingleResult
moved collision filtering for btCollisionWorld::rayTest and btCollisionWorld::convexSweepTest from argument to the callback needsCollision
+ improved btSubsimplexConvexCast, btContinuousConvexCollision and btGjkConvexCast to support configuration that start in touching/penetration, required for 'sliding'.
+ added files to CMakeLists.txt for CharacterController
+ bump up version to 2.70 (preparation for beta)