Added Searching Features

* Added Thread Search Feature

* Added User Search Feature

* Re-organized searching, added @mention support to author search

app/models/user.rb

@@ -174,4 +174,8 @@ class User < ActiveRecord::Base
   def set_email_token
     self.email_token ||= SecureRandom.hex(16)
   end
+  
+  def self.search (users, search)
+    return users.where("users.name like ? OR ign like ?", "%#{User.send(:sanitize_sql_like, search)}%", "%#{User.send(:sanitize_sql_like, search)}%")
+  end
 end