Fix GRADLE-3005 -- SonarRunner not reporting JUnit results

Passing both the sonar.surefire.reportsPath and sonar.junit.reportsPath
properties to SonarRunner. This allows for compatibility between Sonar users
that use Java Ecosystem 1.5+.
Adding comment poiting to issue for GRADLE-3005.
Merge pull request #246 from ajoberstar/issue-3005

Fix GRADLE-3005 -- SonarRunner not reporting JUnit results