Update opam file according to renaming of "pcre-ocaml" to "pcre" in opam-repository.
Replace use of the deprecated `Lwt_event` by `Lwt_react.E`.
Remove dependency to Lwt_util.
Parse configuration for redirectmod
Parse configuration for deflatemod
Parse configuration for staticmod
Parse configuration for outputfilter
Parse configuration for revproxy
Parse configuration for userconf
Parse configuration for cors
Parse configuration for Ocsigen_comet
Parse configuration for authbasic