title: Maven sonar scan failing for SonarQube 7.7 with sonar-groovy 1.6-RC1
body: <p>I am getting below error with sonar maven plugin 3.6.0.1398 for SonarQube 7.7 with sonar-groovy 1.6-RC1, is there a patch for this issue?</p>
  
  <pre><code>Failed to execute goal org.sonarsource.scanner.maven:sonar-maven-plugin:3.6.0.1398:sonar (default-cli) 
  on project xxxxx: org.sonar.plugins.groovy.codenarc.CodeNarcSensor has unsatisfied dependency 
  'class org.sonar.plugins.groovy.foundation.GroovyFileSystem' for constructor 
  'public org.sonar.plugins.groovy.codenarc.CodeNarcSensor(org.sonar.api.profiles.RulesProfile,
  org.sonar.plugins.groovy.foundation.GroovyFileSystem)' from org.sonar.core.platform.ComponentContainer$ExtendedDefaultPicoContainer@6c27e700:113
  &lt;[Immutable]:org.sonar.core.platform.ComponentContainer$ExtendedDefaultPicoContainer@168142da:336
  &lt;[Immutable]:org.sonar.core.platform.ComponentContainer$ExtendedDefaultPicoContainer@69e8b711:54&lt;
  </code></pre>