Should have name attribute in metadata
Foodcritic cleanups

FC034: Unused template variables: cookbook-glance/templates/default/glance-cache.conf.erb:1
FC034: Unused template variables: cookbook-glance/templates/default/glance-scrubber.conf.erb:1
FC043: Prefer new notification syntax: cookbook-glance/recipes/api.rb:58
FC043: Prefer new notification syntax: cookbook-glance/recipes/api.rb:123
FC043: Prefer new notification syntax: cookbook-glance/recipes/api.rb:145
FC043: Prefer new notification syntax: cookbook-glance/recipes/api.rb:158
FC043: Prefer new notification syntax: cookbook-glance/recipes/api.rb:174
FC043: Prefer new notification syntax: cookbook-glance/recipes/registry.rb:73
FC043: Prefer new notification syntax: cookbook-glance/recipes/registry.rb:83
FC043: Prefer new notification syntax: cookbook-glance/recipes/registry.rb:145
FC043: Prefer new notification syntax: cookbook-glance/recipes/registry.rb:160
Merge pull request #26 from retr0h/working

Foodcritic and metadata fixes