[wp] refactor share directory and coq compilation

headers/header_spec.txt

src/plugins/wp/Makefile.in

src/plugins/wp/configure.ac

src/plugins/wp/share/Makefile.coqwp

src/plugins/wp/share/Makefile.headers

src/plugins/wp/share/Makefile.resources

src/plugins/wp/share/coqwp/Cbits.v

src/plugins/wp/share/coqwp/Qed.v

src/plugins/wp/share/coqwp/int/ComputerOfEuclideanDivision.v

...plugins/wp/share/ergo/int.ComputerOfEuclideanDivision.mlw

src/plugins/wp/share/src/ArcTrigo.v

src/plugins/wp/share/src/Cbits.v

src/plugins/wp/share/src/Cmath.v

src/plugins/wp/share/src/Makefile

src/plugins/wp/share/src/Memory.v

src/plugins/wp/share/src/Qed.v

src/plugins/wp/share/src/Qedlib.v

src/plugins/wp/share/src/Square.v

src/plugins/wp/share/src/Vlist.v

src/plugins/wp/share/src/Vset.v