Update files for Opera Desktop and Mobile, versions 11.64, 12.01, 12.10, 15+

Added:
* don't process browser.js if "operabrowserjs=no" is in URL
  (only Blink-based Opera)
* PATCH-1178, Google sniffing gone bad - so break it
* PATCH-1122, Make HTMLDocument.createTouchList() behave as per spec
  (Opera Mobile 12.10)

Changed:
* clean up browser.js for Mobile, like it was done for Desktop
* PATCH-1176, - hide Opera tag from userAgent for all sites except hangouts

Removed:
* PATCH-1168, otvety.google.ru - remove "unsupported browser" banner
* PATCH-1076, usbank.com - avoid unsupported browser alert
* PATCH-1181, hide "Yahoo Answers is not optimized for your browser"-message
* PATCH-492, virginamerica.com - Fix browser sniffing
* PATCH-792, m.chase.com - Positional fixes for images
* PATCH-1058, mixi.jp - add missing gradients and layout fix