Scale down very large webp images when encoding.
Pure javascript webp encoder.
Enable non-native webp generation for main app nvidia mode.  Prepare for worker delegation.
Placeholder for libwebp library.
webp: Cherry pick https://gerrit.chromium.org/gerrit/46374
webp: print out imported image y/u/v
webp: Fix output-test2 to use a png image without color modelling.
webpjs: Fix optimized compilation.
Encode fallback webp images in worker thread.
webp: Add a fast mode.
Use webp library's fast mode for webp conversion
Wrap the appengine dev app server to install debug dirs for development.
Enable nvidia 3d vision in chooser.
Preserve 3d display choice across sessions using local storage.
Properly show browser compatibility for 3d vision