refactoring, added some logging.

Author: JavaSaBr

src/main/java/com/jme3/animation/SkeletonControl.java

@@ -161,12 +161,7 @@ private boolean testHardwareSupported(RenderManager rm) {
             }
         }
 
-        try {
-            switchToHardware();
-        } catch (final Exception e) {
-            Logger.getLogger(SkeletonControl.class.getName()).log(Level.WARNING, "Could not enable HW skinning due to shader compile error:", e);
-            return false;
-        }
+        switchToHardware();
 
         try {
             rm.preloadScene(spatial);

src/main/java/com/jme3/asset/plugins/ClasspathLocator.java

@@ -201,7 +201,7 @@ protected Spatial() {
      */
     protected Spatial(String name) {
         this.name = name;
-        visible = true;
+        this.visible = true;
         localTransform = new Transform();
         worldTransform = new Transform();