title: Installation problem: couldn't find XML in the pack
body: <p>I'm a beginner in Joomla CMS, and maybe the answer is obvious.</p>
  
  <p>I've downloaded the lastest released version of sIFR 2.0.7. When I try to install the plugin on my Joomla site through the wizard, it tells me that the package doesn't contain an XML install file. I've opened the .zip archive and I couldn't find it either, as the installer wizard told me.</p>
  
  <p>Maybe I'm missing something, but how can I install the package ? Is there any requirement ?</p>
  
  <p>Regards,</p>
  
  <p>Yoann</p>
  
  <p>P.S: sorry if my english is bad, I'm french :)</p>