code: public static String getVersion() {
  		String version = EnvironmentInformation.class.getPackage().getImplementationVersion();
  		return version != null ? version : UNKNOWN;
  	}
docs: Returns the version of the code as String. If version == null, then the JobManager does not run from a
  Maven build. An example is a source code checkout, compile, and run from inside an IDE.
  
  @return The version string.