Update theme
Set opoengraph locale to the right value
Make w3c validator pass

Based on:
* https://drupal.org/node/1717090
* https://github.com/h5bp/mobile-boilerplate/commit/feb59c52ae77bb80a2a76d2796cf56e0c4a71c98
Added width and height attributes for iamges

Also made protraits the correct size.