* Added apacheds 2.0.0M15 and removed apacheds 1.0.2 files
* Removed log4j file as it's now included through apacheds 2.0.0
* Upgraded net-ldap to latest version in gem spec
* made DN check for "dc=" case-insensitive
* Updated invalid credentials check as per change in apacheds result code
* Updated Server.java to support apacheds version 2.0.0

This commit does not support specification of a custom schema - however, custom schemas can be loaded after the fact as import of ldif into "ou=schema". Before release specification of custom schema should be re-introduced, although it may require that schemas are ldif rather than java.