Revert "Support for Embeddable Comments via IFRAME" - it depends on Curl

which not every server has. Have to rethink this.

This reverts commit e3e4c62887.

db/migrate/20131210181901_migrate_word_counts.rb

@@ -1,6 +1,6 @@
 class MigrateWordCounts < ActiveRecord::Migration
   disable_ddl_transaction!
-
+  
   def up
     post_ids = execute("SELECT id FROM posts WHERE word_count IS NULL LIMIT 500").map {|r| r['id'].to_i }
     while post_ids.length > 0
@@ -30,4 +30,4 @@ class MigrateWordCounts < ActiveRecord::Migration
 
   end
 
-end
+end