adding SSLVerifyClient, SSLVerifyDepth, SSLOptions to vhost configuration to be able to configure the vhost for use with passenger+puppet (http://docs.puppetlabs.com/guides/passenger.html)
Update README.md with additional details

Update README.md to include an example for ssl_verify_client, ssl_verify_depth and ssl_options.  Also provide links for the SSLVerifyClient, SSLVerifyDepth and SSLOptions documentation.
Merge pull request #391 from mwhahaha/add_ssl_options

Add SSLVerifyClient, SSLVerifyDepth, SSLOptions to vhost configuration