More change on request/result interface.

trunk/fcl/include/fcl/collision.h

trunk/fcl/include/fcl/collision_data.h

trunk/fcl/include/fcl/simple_setup.h

trunk/fcl/include/fcl/traversal_node_bvh_shape.h

trunk/fcl/include/fcl/traversal_node_bvhs.h

trunk/fcl/include/fcl/traversal_node_octree.h

trunk/fcl/include/fcl/traversal_node_shapes.h

trunk/fcl/src/broad_phase_collision.cpp

trunk/fcl/src/collision_func_matrix.cpp

trunk/fcl/src/conservative_advancement.cpp

trunk/fcl/src/distance_func_matrix.cpp

trunk/fcl/src/simple_setup.cpp

trunk/fcl/src/traversal_node_bvhs.cpp