Stop the Sonar Analysis when the Sonar batch and the Sonar server are not using the same DB

Using the Standalone Runner, if the runner is bad configured (another kind of database for instance), the error is not really clear (BootstrapException => PicoLifecycleException => ... => ClassNotFoundException).

Of course it's due to a bad configuration, however we may help the user to find exactly the error.

For instance me way check that both url from runner and server are the same and that the jdbc is the same also.

Check of username/password for database may be done but can lead to security issue.