Update COPS to 0.6.2

0.6.2 - 20130913
  * Added server side rendering for devices like PRS-TX / Kindle / Cybook. Thanks to all the testers.
  * Added a configuration item to tweak how thumbnail are handled.
  * Fixed the click on cog on IOS. Thanks to sb domo.
  * Added dashboard icons / standalone mode for IOS. Thanks to sb domo.
  * Fixed a regression about custom favicon.ico. Thanks to Tyler.
  * Fixed another regression about COPS's version in the about box. Reported by Ian.
  * Upgraded Magnific Popup to v0.9.5.
  * Added a style for IPhone. Thanks to sb domo.
  * Added Portuguese translation. Thanks to Pablo Aguiar.
  * Fixed rendering on Internet Explorer < 9.0.
Merge pull request #690 from seblucas/develop

Update COPS to 0.6.2