title: How to checkout the source code from Mercurial
body: <p>I need to download the source code from the Mercurial.</p>
  
  <pre><code>$ hg clone xmppframework.googlecode.com/hg xmppframework 
    warning: xmppframework.googlecode.com certificate with fingerprint b1:af:83:76:f3:81:b0:57:70:d8:07:42:c8:c1:b3:67:38:c8:7a:bc not verified (check hostfingerprints or web.cacerts config setting) 
    requesting all changes 
    adding changesets 
    adding manifests 
    adding file changes
  </code></pre>
  
  <p>I tried it in terminal by using this link to download the source code.But the command is failed.</p>
  
  <p>Anyone can help me to get rid of this.</p>
  
  <p>Thanks to all,
  Madan.</p>