Star Downloader Free 1.45

# New Features:
- Add support for Mozilla Firefox.
- Improve integration with Mozilla. The object would be to get functionality similar to the IE integration, e.g. that Star Downloader will use specified extensions instead of hard coded ones.
- Automatic configurations for popular antivirus programs.
- Add the parameter %F for file name in Options/Anti-Virus to satisfy anti-virus programs that needs parameters sent in a certain order. Also add %S for short file name (DOS-style).
- Some minor changes.