Improves the interoperability between the JogAmp backend, SWT and NEWT

This pull request adds the following features:
- conversion of JOGL texture data into Ardor3D images
- addition of a dependency on SWT into ardor3d-jogl
- JoglNewtSwtCanvas (based on NewtCanvasSWT)
- JoglSwtCanvas (based on JOGL SWT GLCanvas)
- replacement of SwtCanvas (based on Eclipse SWT GLCanvas which is obsolete, broken and unmaintained) by JoglSwtCanvas only the the example JoglSwtExample
- removal of useless AWT dependencies into examples using SWT and/or NEWT
- improvement of the documentation