title: How to setup app to trust only one ssl certificate
body: <p>I have an iPhone app , that needs to make secure connection to my webservice</p>
  
  <p>I have a CA which i created and want to add to the app, so that it creates the connection and authenticates my server</p>
  
  <p>I am using restkit 0.20.3 to make the requests.</p>
  
  <p>How do i configure the AFHHTTPClient to trust my certificate ?</p>