Update headers.

Makefile.in

configure.in

examples/use_api/clone.ml

examples/use_api/counterexample.ml

examples/use_api/create_session.ml

examples/use_api/itp.ml

examples/use_api/logic.ml

examples/use_api/mlw.ml

examples/use_api/mlw_tree.ml

examples/use_api/transform.ml

lib/coq/BuiltIn.v

lib/coq/HighOrd.v

lib/coq/bool/Bool.v

lib/coq/bv/BV_Gen.v

lib/coq/bv/Pow2int.v

lib/coq/floating_point/Double.v

lib/coq/floating_point/DoubleFormat.v

lib/coq/floating_point/GenFloat.v

lib/coq/floating_point/Rounding.v

lib/coq/floating_point/Single.v