Modifying Harlequin copyright notices on all source files to Ravenbrook copyright and open source license.
Adding note that MLWorks does not build, for people coming across the repo.
Adding link to main project page.
[rts] Remove licensing support.
Merge pull request #1 from waywardmonkeys/remove-licensing

Remove Harlequin licensing code (made to control commercial installations) as this is no longer relevant to open source MLWorks and isn't going to work anyway.
Merge branch 'master' into macosx-boot