Bug 974133 - Replace "Firefox account" with "Firefox Account". r=rnewman
Bug 974942 - Don't share link{tos,privacy} strings. r=rnewman

Some languages may decline the same string differently when it is an
object versus when it is a subject, so we separate the two uses.
Bug 974015 - Replace "Firefox online services" with "Firefox cloud services". r=rnewman