- scripts/normalizeschps: by default, don't change the linewidth
- scripts/schhist2web: cache historical Postscript files in directories
ps_*
- scripts/schps2pdf: new script to convert eeschema Postscript to PDF
- scripts/schhist2web: link the file name in the title to the curent
PDF of the respective sheet
- scripts/Makefile: changed lazy wildcard thum* to thumb_* and diff* to
diff_*
- scripts/Makefile: upload also pdf_*
