Log Message:
Updating security/p5-Authen-SASL from 2.14nb1 to 2.15

pkgsrc changes:
- add informational dependency to core module Digest::MD5

Upstream changes:
Authen-SASL 2.15 -- Wed Jun 2 13:47:41 CDT 2010
  * Makes sure that user callbacks are called [Yann Kerherve]

Authen-SASL 2.1401 -- Mon Mar 29 14:22:54 CDT 2010
  * Add META.yml to release