Renamed 'btVector3' and 'btQuaternion' to just 'vec3' and 'Quaternion'.
Renamed 'btVector3' and 'btQuaternion' to just 'vec3' and 'Quaternion'.

daviddeng/azrael,daviddeng/azrael,olitheolix/azrael,olitheolix/azrael,olitheolix/azrael,olitheolix/azrael,daviddeng/azrael,daviddeng/azrael,daviddeng/azrael,olitheolix/azrael