Warning fixes

Handling of all warning provided by IntelliJ.

src/main/java/fr/pasteur/ida/zellige/command/Zellige.java

@@ -59,11 +59,6 @@ public class Zellige extends ContextCommand
         // Load the image.
         Object obj = ij.io().open( new File( currentFolder, imageFilePath ).getAbsolutePath() );
 
-        // for large images
-//        final SCIFIOConfig config = new SCIFIOConfig();
-//        config.imgOpenerSetImgModes( SCIFIOConfig.ImgMode.PLANAR );
-//
-//        final Dataset obj = ij.scifio().datasetIO().open( imageFilePath, config );
         // Display it.
         ij.ui().show( obj );
 
@@ -77,7 +72,7 @@ public class Zellige extends ContextCommand
 
         // Launch JavaFX interface
         MainAppFrame app = new MainAppFrame( context() );
-        app.setTitle( VersionUtils.getVersion( Zellige.class ) );
+        app.setTitle( "Version " + VersionUtils.getVersion( Zellige.class ) );
         app.init();
 
     }