Compatible with OCaml 4.11.1 and SFML 2.5.1
OCaml 4.10 support
removed -warn-error from the Makefile
give the versions of SFML and OCaml that the bindings was tested with
this project is not managed with svn anymore
We don't replace "SVN" by "GIT", but with "SCM" in order to be more generic.