add support for matches in route
Merge branch 'feature/add_group_matches_in_route_gh_478' of https://github.com/mpapis/nanoc into mpapis-feature/add_group_matches_in_route_gh_478

Conflicts:
	test/base/test_rule.rb
Merge branch 'mpapis-feature/add_group_matches_in_route_gh_478'