title: Sort selected text from Visual Studio context menu
body: <p>Currently VS has a very useful feature: sort usings (C#).</p>
  
  <p>I want the same functionality for any random text, for example - XML nodes in config files.</p>
  
  <p>How complex to implement that? VS addin, right? Is it possible to call some VS API which is used for sorting usings?</p>