Updated README.

Author: mwz

README.md

@@ -14,7 +14,7 @@ docker-compose up -d
 
 Once docker pulls all the required images and starts up the containers, the application should become available on [http://localhost](http://localhost). The default SonarQube login details for the Administrator account are `admin:admin`.
 
-You can also use a standalone docker image which contains SonarQube LTS with bundled Scala plugins [`mwizner/sonarqube-scala-plugins:2.1.0-full`](https://hub.docker.com/r/mwizner/sonarqube-scala-plugins).
+You can also use a standalone docker image which contains SonarQube LTS with bundled Scala plugins [`mwizner/sonarqube-scala-plugins:2.2.0-full`](https://hub.docker.com/r/mwizner/sonarqube-scala-plugins).
 
 To start the container issue the following command:
 ```bash
@@ -23,12 +23,12 @@ $ docker run -d --name sonarqube-scala-plugins-full \
   -e SONARQUBE_JDBC_USERNAME=sonar \
   -e SONARQUBE_JDBC_PASSWORD=sonar \
   -e SONARQUBE_JDBC_URL=jdbc:postgresql://localhost/sonar \
-  mwizner/sonarqube-scala-plugins:2.1.0-full
+  mwizner/sonarqube-scala-plugins:2.2.0-full
 ```
 Please note that if you don't specify the `SONARQUBE_JDBC_URL` variable, SonarQube will use an embedded H2 database, which is not recommended in production.
 
 ## Dependencies
- * [SonarQube 6.7.1 LTS](https://hub.docker.com/_/sonarqube)
+ * [SonarQube 6.7 LTS](https://hub.docker.com/_/sonarqube)
  * [PostgreSQL 10.2](https://hub.docker.com/_/postgres)
  * External SonarQube plugins:
    * [mwz/sonar-scala](https://github.com/mwz/sonar-scala) - provides support for scalastyle and scoverage.
@@ -38,14 +38,16 @@ Please note that if you don't specify the `SONARQUBE_JDBC_URL` variable, SonarQu
 ## Compatibility Matrix
 Version | SonarQube | sonar-scala | sonar-scala-extra
 --------|-----------|-------------|------------------
-[2.1.0](https://github.com/mwz/sonarqube-scala-docker/releases/tag/2.1.0), [2.0.0](https://github.com/mwz/sonarqube-scala-docker/releases/tag/2.0.0) | 6.7.1 LTS ([documentation](https://docs.sonarqube.org/display/SONARQUBE67/Documentation)) ([what's new](https://www.sonarqube.org/sonarqube-6-7-lts)) | 6.0.0 | 1.3.0
-[1.0.0](https://github.com/mwz/sonarqube-scala-docker/releases/tag/1.0.0) | 5.6.7 LTS ([documentation](https://docs.sonarqube.org/display/SONARQUBE56/Documentation)) | 0.0.3 | 1.3.0
+[2.2.0](https://github.com/mwz/sonarqube-scala-docker/releases/tag/2.2.0) | 6.7.2 LTS ([documentation](https://docs.sonarqube.org/display/SONARQUBE67/Documentation)) ([changelog](https://jira.sonarsource.com/jira/secure/ReleaseNote.jspa?projectId=10930&version=14191)) | [6.1.0](https://github.com/mwz/sonar-scala/releases/tag/v6.1.0) | [1.3.0](https://github.com/arthepsy/sonar-scala-extra/releases/tag/v1.3.0)
+[2.1.0](https://github.com/mwz/sonarqube-scala-docker/releases/tag/2.1.0), [2.0.0](https://github.com/mwz/sonarqube-scala-docker/releases/tag/2.0.0) | 6.7.1 LTS ([documentation](https://docs.sonarqube.org/display/SONARQUBE67/Documentation)) ([changelog](https://jira.sonarsource.com/jira/secure/ReleaseNote.jspa?projectId=10930&version=14137)) | [6.0.0](https://github.com/mwz/sonar-scala/releases/tag/v6.0.0) | [1.3.0](https://github.com/arthepsy/sonar-scala-extra/releases/tag/v1.3.0)
+[1.0.0](https://github.com/mwz/sonarqube-scala-docker/releases/tag/1.0.0) | 5.6.7 LTS ([documentation](https://docs.sonarqube.org/display/SONARQUBE56/Documentation)) | [0.0.3](https://github.com/Sagacify/sonar-scala/releases/tag/v0.0.3) | [1.3.0](https://github.com/arthepsy/sonar-scala-extra/releases/tag/v1.3.0)
 
 
 ## Recommendations
 [sbt-sonar](https://github.com/mwz/sbt-sonar) is an sbt plugin which provides a way to automate analysis of Scala projects with SonarQube.
 
 ## Changelog
+- **2.2.0** - Upgraded sonar-scala to 6.1.0 & SonarQube to 6.7.2 LTS.
 - **2.1.0** - Published docker image with Scala plugins to dockerhub [mwizner/sonarqube-scala-plugins](https://hub.docker.com/r/mwizner/sonarqube-scala-plugins).
 - **2.0.0** - SonarQube 6.7.1 LTS.
 - **1.0.0** - SonarQube 5.6.7 LTS.