Bug 846687 - Set the transport as non-seekable if the server sends Accept-Ranges, but no Content-Duration. r=cpearce
bug 846617 - support AAT Myanmar fonts via Core Text shaping. r=jdaggett
Bug 820263 - Mark as CLASS_COMPLEX for Khmer language. r=masayuki
Bug 841252 - [Robocop] Tests for localized distribution preferences, r=margaret