Update "Smartphone-Sized Display" description

Just making this more clear that it's not "phone only", it's "qHD only".
Bring back the waiting time charts for other queues (bug 769705)
Fixed wrapping on reviewer tools homepage
fix zadmin featured apps when no category given
Merge pull request #915 from ngokevin/fixfeatured

fix zadmin featured apps when no category given
do not expect request.TABLET/request.MOBILE in context_processors (for @ngokevin <3)
remove unused helper function in theme test views
try un-SkipTesting theme updatecheck tests (bug 860476)
redirect users after accepting TOS from developer API page (bug 860111)