Replacing explicitly typed domains with what's provided by site_url

app/models/comics/a_softer_world.rb

@@ -15,7 +15,7 @@ def map_routine(xml)
       self.description = "#{number}: #{real_title}"
       self.posted_on = Date.parse(latest.pubDate.to_s)
       date = self.posted_on.strftime('%Y%m%d')
-      self.permalink = "http://#{site_url.host}/index.php?id=#{number}"
+      self.permalink = "#{site_url}/index.php?id=#{number}"
       self.image_url = latest.description.match(/http:\/\/www\.asofterworld\.com\/clean\/[^\/]+\.jpg/).to_s
     end
   end

app/models/comics/ctrl_alt_del.rb

@@ -13,7 +13,7 @@ def map_routine(xml)
       self.description = latest.title.match(/Ctrl\+Alt\+Del: (.*)/)[1]
       self.posted_on = Date.parse(latest.pubDate.to_s)
       date = self.posted_on.strftime('%Y%m%d')
-      self.permalink = "http://#{site_url.host}/cad/#{date}"
+      self.permalink = "#{site_url}/#{date}"
 
       content = ''
       open(site_url) { |s| content = s.read }

app/models/comics/lol_bots.rb

@@ -13,7 +13,7 @@ def map_routine(xml)
       self.permalink = latest.link
 
       date = latest.link.match(/[0-9]+/)[0]
-      self.image_url = "http://www.lolbots.com/strips/#{date}.png"
+      self.image_url = "#{site_url}/strips/#{date}.png"
     end
   end
 end

app/models/comics/penny_arcade.rb

@@ -15,10 +15,10 @@ def map_routine(xml)
 
       url_parts = latest.guid.to_s.match(/comic\/([0-9]+)\/([0-9]+)\/([0-9]+)\/([^\/]*)/)
 
-      self.permalink = "http://www.penny-arcade.com/#{url_parts[0]}"
+      self.permalink = "#{site_url}/#{url_parts[0]}"
 
       content = ''
-      open("http://www.penny-arcade.com/#{url_parts[0]}") { |s| content = s.read }
+      open("#{site_url}/#{url_parts[0]}") { |s| content = s.read }
       img_url = content.match(/<img src="(http:\/\/art\.penny-arcade\.com\/photos\/.+\.jpg)" alt=".+"( )+\/>/)
       self.image_url = img_url[1]
     end

app/models/comics/wondermark.rb

@@ -14,7 +14,7 @@ def map_routine(xml)
       self.description = title_parts[2]
       self.posted_on = Date.parse(latest.pubDate.to_s)
       self.image_url = latest.description.match(/http:\/\/wondermark.com\/c\/.*\.gif/).to_s
-      self.permalink = "http://wondermark.com/#{title_parts[1]}/"
+      self.permalink = "#{site_url}/#{title_parts[1]}/"
     end
   end
 end