Bug 1100643 - Remove.b2g class from styles as it is no longer in use (corresponding macro template has been removed)
BUG 1086941: Remove Flame ads

Remove customCSS that was there to support flame ads.
Merge pull request #2917 from stephaniehobson/BUG-1086941-remove-flame-ads

FIX BUG 1086941: Remove Flame ads
Merge pull request #2916 from stephaniehobson/BUG-1100643-customCSS-b2g

Bug 1100643: integrate custom CSS - remove .b2g-button
fix bug 1097573 - Allow 'lang' attributes on all elements
Merge pull request #2919 from darkwing/1097573-lang-attribute

fix bug 1097573 - Allow 'lang' attributes on all elements