FIX: URLs containing two # would fail to work

Some URLs in browsers are non compliant and contain twos `#` this commit adds
special handling for this edge case by auto encoding any fragments containing `#`

app/models/topic_link.rb

@@ -117,11 +117,7 @@ SQL
     PrettyText
       .extract_links(post.cooked)
       .map do |u|
-        uri = begin
-          URI.parse(u.url)
-        rescue URI::Error
-        end
-
+        uri = UrlHelper.relaxed_parse(u.url)
         [u, uri]
       end
       .reject { |_, p| p.nil? || "mailto".freeze == p.scheme }

app/models/topic_link_click.rb

@@ -15,11 +15,7 @@ class TopicLinkClick < ActiveRecord::Base
     url = args[:url][0...TopicLink.max_url_length]
     return nil if url.blank?
 
-    uri = begin
-      URI.parse(url)
-    rescue URI::Error
-    end
-
+    uri = UrlHelper.relaxed_parse(url)
     urls = Set.new
     urls << url
     if url =~ /^http/