Update README to cover current status.

README.md

@@ -1,22 +1,3 @@
 Sonar Scala Plugin
 ===========
-Supports Sonar 3.0+ and requires Cobertura and Surefire plugins.
-
-To include test and coverage reports:
-
-Install these plugins in your scala project:
-
-https://github.com/mmarich/sbt-simple-junit-xml-reporter-plugin
-- Creates junit xml reports for output from scalatest.
-
-https://github.com/sqality/scct
-- Creates a Scala-friendly code-coverage report, and includes a coberura xml report.
-
-
-Add the following properties to your project's sonar-project.properties file:
-
-    sonar.dynamicAnalysis=reuseReports
-    sonar.surefire.reportsPath=test-reports
-    sonar.core.codeCoveragePlugin=cobertura
-    sonar.java.coveragePlugin=cobertura
-    sonar.cobertura.reportPath=target/scala-[scala-version]/coverage-report/cobertura.xml
+Supports SonarQube 4.5+