Fix #413 - Check the version of the Timthumbs files found

lib/common/models/wp_timthumb/vulnerable.rb

@@ -0,0 +1,9 @@
+# encoding: UTF-8
+
+class WpTimthumb < WpItem
+  module Vulnerable
+    def vulnerable?
+      VersionCompare.is_newer_or_same?(version, '1.34')
+    end
+  end
+end