Merge branch 'feature/ring-service' into develop

Conflicts:
	_config.yml
	_includes/1.4.0/clojure.core/DASH/examples.md
	_includes/1.6.0/clojure.core/as_DASH__GT/examples.md
	_includes/head.html
	_layouts/default.html
	contributing.md
	src/grimoire/core.clj

Fix #49