Utop 2.4.1

See full changelog

General

  • Remove camlp4 remnants (@XVilka, #290) (@kandu, #293)
  • Allow to statically link utop (@diml, #285) (@hongchangwu, #286)

Misc

  • Remove broken elisp (m-plamann, #292)
  • Add OCaml 4.08 build in Travis CI (XVilka, #291)