New version of ANSIView.

- Uses SyncTERM output speed emulation if available
- Server-side output throttling if client is non-SyncTERM, somewhat better than before
- Enable / disable screen pause
- Scrollbars
- No more static "background" UI graphic
- Uses new filebrowser.js
- Supports multiple local libraries
- Supports file descriptions for local libraries (requested by nolageek)
- Two additional "browser modules" included for access to online art archives (sixteencolors.net, thescene.electronicchicken.com)
- Read readme.txt if you want to use this.  It won't do anything until you follow the instructions