Log Message:
Update to pcb-20081128

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Release Notes for PCB snapshot 20081128
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This release represents over 70 commits and as such this summary
clearly is not complete.  See the ChangeLog file for the complete list
of changes.

- Minor bug fixes in RS274-X output.
- Bug fixes in postscript output
- DRC checks for annular ring on pads only uses the mininum annular ring
  drc setting instead of also checking minimum copper width.
- Fix postscript output for zero length lines.
- Improve the 'save before closing' dialogs.
- Fixed bugs where objects attached to the cursor vanish sometimes.
- Various minor code portability improvements.
- Enabled additional gcc warnings (when using gcc)
- Allow outline layers to have only arcs.
- Added "Ben Mode" png output which provides a simulated \ 
"photograph"
  of the board.  Very nice for publications.
- Fix poly clearance around rotated pads.
- Fix the batch HID which had bit rotted a little.
- Display net names hierarchically.
- Various speed improvements in the GTK HID.
- Various speed improvements in the autorouter.
- Minor improvements to the windows port.
- Other various bug fixes.