add support for ssl generation on rhel family

metadata.rb

@@ -11,5 +11,6 @@
 depends 'rc_mon'
 depends 'nginx'
 depends 'build-essential'
+depends 'ssl_certificate'
 
 suggests 'bag_config', '>= 2.0.0'

recipes/nginx.rb

@@ -22,6 +22,16 @@
     geminabox_key = node[:geminabox][:ssl][:key]
     geminabox_cert = node[:geminabox][:ssl][:cert]
   end
+
+  if node.platform_family?("rhel")
+    cert = ssl_certificate "geminabox" do
+      namespace "geminabox"
+      notifies :restart, "service[nginx]"
+    end
+    geminabox_key = cert.key_content
+    geminabox_cert = cert.cert_content
+  end
+
 end
 
 if(geminabox_key && geminabox_cert)