Log Message:
Update to gEDA-1.6.2

Notable changes in gEDA/gaf 1.6.2
=================================

 * PNG export from `gschem' will now be cropped correctly.

 * The `partlist' backends for `gnetlist' now handle hierarchical
   refdes correctly.

 * On Windows, `gschem' and `gattrib' will no longer launch with a
   command window visible.

 * `gnetlist-arg' is no longer valid in `gsch2pcb' project files.

Several other bugs were fixed, including a major crash bug in
gnetlist.