some swing stuff cause swt is heavy and swing isnt

+ SwingCameraWindow
+ SwingCCTVManager

---
fixes in WebcamCaptureLoop.java : Include thread safety, and some more stuff which is needed for Swing components.

Planning on deprecating SWT in general

src/main/java/io/swtc/proccessing/WebcamCaptureLoop.java

@@ -44,7 +44,11 @@ public class WebcamCaptureLoop {
                     break;
                 }
             }
-            webcam.close();
+            try {
+                webcam.close();
+            } catch (IllegalStateException e) {
+                e.printStackTrace();
+            }
         });
         captureThread.setName("cam_cap_thread");
         captureThread.start();