[t] (0) Clean up some translation-related things.
Affected topics: DOM APIs, HTML

git-svn-id: http://svn.whatwg.org/webapps@7745 340c8d12-0b0e-0410-8428-c7bf67bfef74
[] (3) Default navigator.language to 'en' instead of null.
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=17878
Affected topics: DOM APIs

git-svn-id: http://svn.whatwg.org/webapps@7746 340c8d12-0b0e-0410-8428-c7bf67bfef74