[Zope] Updated Quickstart for Zope 2.3.0

I noticed that 2.3 didn't update the quickstart materials, and that the quickstart materials still used the old server-side-include syntax internally and in their examples. To make matters worse, the ZSQL method examples didn't use sqlvar - thus were unsafe. I updated the complete quickstart to fix these problems and have sent a copy to Brian Lloyd for future use. Attached is the updated quickstart for your use in a win32 winzip archive - sorry, I don't have access to any other archive tools at the moment. Enjoy!