to a TIFFRepresentation for use with NSPasteboard.
This has been tested with the Gimp and works with some minor quartz-wm changes.
The Finder clipboard shows the image updates after an Edit -> Copy.
This change adds some [self own_clipboard] calls in the necessary places to get the proper greedy behavior.
UTF8_STRING and STRING properties seem to work well now with the test cases (PRIMARY, and CLIPBOARD). I can copy from several different X apps, and have the behavior be correct when pasting. I also verified that quartz-wm isn't doing the copying, by disabling the quartz-wm paths.
Add TRACE() calls where appropriate to try to figure out why we are losing CLIPBOARD at times, after transferring PRIMARY to the NSPasteboard.
Use the new pbproxy_clipboard_to_pasteboard where appropriate.
Convert the puts usage to use DB().
Add the initial handle_image method.
Check for nil in the NSString instantiation in various places.
Add some commentary to enhance the clarity of why I did some things.
