Fix violation of unmined license (distribution)

server/templates/metadata.js

@@ -1,8 +1,10 @@
-/* {{props_file}} */
-{{map_props}}
+/* {{ props_file }} */
+{{ map_props }}
+/* end of {{ props_file }} */
 
-/* {{regions_file}} */
+/* {{ regions_file }} */
 {{map_regions}}
+/* end of {{ regions_file }} */
 
 return {
     properties: UnminedMapProperties,

server/templates/unmined.js

@@ -0,0 +1,5 @@
+/* {{ unmined_file }} */
+{{ unmined_script }}
+/* end of {{ unmined_file }} */
+
+return new Unmined();