ModuleRunner: make vocabulary consistent

Yes, it might not be a Command plugin. But the other messages all
use the term "Command" rather than "Module". Let's stay consistent.

Author: ctrueden

src/main/java/org/scijava/module/ModuleRunner.java

@@ -202,7 +202,7 @@ private void cleanupAndBroadcastException(final String title,
 	{
 		if (es != null) es.publish(new ModuleErroredEvent(module, t));
 		if (ss != null) {
-			ss.showStatus("Module errored: " + title);
+			ss.showStatus("Command errored: " + title);
 			if (t != null) ss.warn(t.getMessage());
 		}
 	}