Update hylang
Update hylang

Changes:

- https://github.com/hylang/docker-hylang/commit/f73e370: Merge pull request https://github.com/hylang/docker-hylang/pull/3 from tianon/1.0a1
- https://github.com/hylang/docker-hylang/commit/a9b44f1: Update to 1.0a1
- https://github.com/hylang/docker-hylang/commit/cda00e7: Add the update.sh improvements from https://github.com/hylang/docker-hylang/pull/3

neo-technology/docker-official-images,thresheek/official-images,31z4/official-images,31z4/official-images,thresheek/official-images,thresheek/official-images,31z4/official-images,docker-solr/official-images,infosiftr/stackbrew,thresheek/official-images,docker-solr/official-images,docker-library/official-images,neo-technology/docker-official-images,docker-solr/official-images,thresheek/official-images,docker-solr/official-images,infosiftr/stackbrew,docker-solr/official-images,31z4/official-images,infosiftr/stackbrew,31z4/official-images,neo-technology/docker-official-images,31z4/official-images,neo-technology/docker-official-images,docker-solr/official-images,31z4/official-images,docker-solr/official-images,neo-technology/docker-official-images,docker-library/official-images,infosiftr/stackbrew,docker-library/official-images,thresheek/official-images,thresheek/official-images,neo-technology/docker-official-images,thresheek/official-images,docker-library/official-images,docker-solr/official-images,31z4/official-images,docker-library/official-images,neo-technology/docker-official-images,docker-library/official-images,docker-solr/official-images,infosiftr/stackbrew,infosiftr/stackbrew,infosiftr/stackbrew,infosiftr/stackbrew,infosiftr/stackbrew,thresheek/official-images,infosiftr/stackbrew,thresheek/official-images,docker-library/official-images,neo-technology/docker-official-images,docker-library/official-images,docker-library/official-images,thresheek/official-images,docker-library/official-images,docker-library/official-images,31z4/official-images,docker-solr/official-images,docker-solr/official-images,31z4/official-images,neo-technology/docker-official-images,docker-solr/official-images,infosiftr/stackbrew,thresheek/official-images,docker-solr/official-images,neo-technology/docker-official-images,docker-library/official-images,31z4/official-images,thresheek/official-images,infosiftr/stackbrew,thresheek/official-images,docker-library/official-images,31z4/official-images,neo-technology/docker-official-images,neo-technology/docker-official-images,infosiftr/stackbrew,infosiftr/stackbrew,31z4/official-images,docker-library/official-images,neo-technology/docker-official-images,31z4/official-images,docker-solr/official-images,neo-technology/docker-official-images