Log Message:
update to gerbv-1.03

This release represents a point release incorporating a few patches made
against the 1.0.X source over the last 1 1/2 years.  Specific updates
include:

* Incorporate changes from Joost Witteveen to support extended
  %SR% commands.
* Fix endless loop bug when gerbv encountered an unknown
  % code.  Patch from Joost Witteveen.
* Fixed initial scale setting for %MOMM% Gerber files.
  Patch from Joost Witteveen.
* Fixed format for small drillfiles.  Patch from Trevor Blackwell.
* Fix setting of the initial window size when the screen
  is larger than the display. Patch from David Carr.