- `window.sanitize` is now `Tools.escapeHTML`
- `window.unsanitize` is now `Tools.unescapeHTML`
- `window.jsEscape` is now `Tools.escapeQuotes`
- `window.htmlSanitize' is now `Tools.sanitizeHTML`
- `battle.escape` has been eliminated and replaced by calls
to `Tools.escapeHTML`
With the advent of the *.psim.us URI scheme, one problem was that
images and other resources were not cached across different servers
because each server had a different URI for the same resource. This
commit resolves the problem by loading all resources from
play.pokemonshowdown.com.