title: Sonarqube false positive code duplication because of symlink
body: <p>I am working in a relatively large codeset with symlinks for some files that point to files somewhere else in the directory tree being analyzed.  Is there a way to tell Sonar to not process a symlinked file as a duplicate?  Ideally I would like the following behavior if I was processing directory /foobar</p>
  
  <p>/foobar/bin/app.py symlinked to /foobar/src/app.py so Sonar would ignore /foobar/bin/app.py</p>
  
  <p>/foobar/bin/app.py symlinked to /foobar2/src/app.py so Sonar would NOT ignore /foobar/bin/app.py because it is linked outside of the /foobar tree.</p>