Update cookbooks

* Replace old nginx cookbook with new chef_nginx cookbooks
* Update application cookbook

cookbooks/zypper/resources/repo.rb

@@ -0,0 +1,8 @@
+actions :add, :remove
+default_action :add
+
+attribute :repo_name, kind_of: String, name_attribute: true
+attribute :autorefresh, kind_of: [TrueClass, FalseClass]
+attribute :uri, kind_of: String
+attribute :key, kind_of: String, default: nil
+attribute :priority, kind_of: Integer, default: nil