PDFCreator 1.2.3

# Improvements:
* Using Ghostscript 9.04 now
* pdfforge.dll supports signing with timestamp and lot of new functions like verifying signatures and more
* Images2PDF was improved and a console application for batch processing was added
# Bug Fixes:
* Fixed some minor bugs.
* Known issues No hyperlinks possible (Hyperlinks for MS Word are possible with the combination of PDF-T-Maker and PDFCreator.)