title: Check for .NET 4.5 full install - which property?
body: <p>How do I check for a full .net 4.5 install?</p>
  
  <p><a href="http://wix.sourceforge.net/manual-wix3/wixnetfxextension.htm">http://wix.sourceforge.net/manual-wix3/wixnetfxextension.htm</a></p>
  
  <p>has a list of all properties but stops at 4.0.</p>
  
  <p>The open issues list has a nice Topic "add documentation for the new properties" which helne to USE them.</p>
  
  <p>Anyone knows the property Name for a full 4.5 install?</p>