TortoiseCVS 1.8.18 Setup

Now released and working for both Win9x and WinNT (XP/2000) systems.

Refinements of the script include:
- Installation customization (you can select which features you want to install).
- New GPL agreement step.
- Added the Simplified Chinese manual.

The installer is in English only, but will install all the supported languages for TortoiseCVS