accept self-signed / untrusted certificates

At some point there was code to disable SSL checks, but it appears to be gone. The code should be modified again to allow any SSL certificate to be authenticated. This would allow local testing of https.

Here is the httpclient example:
http://svn.apache.org/viewvc/httpcomponents/oac.hc3x/trunk/src/contrib/org/apache/commons/httpclient/contrib/ssl/EasySSLProtocolSocketFactory.java?view=markup

Check what HTMLUnit does right now as well.