Fix AWT printing issues w/ overlapping and/or non-opaque contents ; Change AWTPrintLifecycle's lifecycle

- AWTPrintLifecycle:
  - Should decorate:
       PrinterJob.print(..),
    instead of within Printable.print(..) { .. container.printAll(..); .. }

    This is due to AWT print implementation, i.e.
    AWT will issue Printable.print(..) multiple times for 'overlapping'
    or non-opaque elements!

  - Move from javax.media.opengl.awt -> com.jogamp.nativewindow.awt
  - Make _interface_ AWT agnostic, i.e. remove Graphics2D from 'setup(..)'
  - Add 'int numSamples' to 'setup(..)' to determine the number of samples

- AWTTilePrinter:
  - Use double precision when scaling image-size and clip-rect,
    then round them to integer values.
    Otherwise AWT will use the bounding box for the clipping-rectangular.

  - Clip negative portion of clip-rect,
    this removes redundant overpaints, as well as increasing the tile count
    due to the increased clipping-size.

  - Clip the image-size in the tile-renderer according to the clip-rect.

  - DEBUG_TILES: Dump tiles to file

  - Use sub-image of final BuffereImage instead
    of adding another clipping region. This might increase performance
    if no clip-rect has been set.

TODO:
  TestTiledPrintingGearsSwingAWT overlapping tests exposes
  a 'off by one' bug of the first layer's background!
  Note: The GL content seems to be correct though - maybe it's simply an AWT rounding error ..

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