Fix dc:creator

Author: parkr

lib/jekyll-import/importers/wordpressdotcom.rb

@@ -169,7 +169,7 @@ def self.process(options)
             metas[key] = value
           end
 
-          author_login = item.text_for("dc|creator").strip
+          author_login = item.text_for("dc:creator").strip
 
           header = {
             "layout"     => item.post_type,
@@ -227,15 +227,6 @@ def self.process(options)
       def self.sluggify(title)
         title.gsub(%r![^[:alnum:]]+!, "-").downcase
       end
-
-      def self.select_direct_children(node, path)
-        node.xpath('./'+path) || node.css(path) || node.children.select { |child| child.name == path }
-      end
-
-      def self.select_direct_child(node, path)
-        children = select_direct_children(node, path)
-        children.nil? ? nil : children.first
-      end
     end
   end
 end