Bug 539427 - Save print resolution (DPI) and duplex settings between print jobs, if they're available. r=roc, sr=smaug
bug 817533 - failed system proxy lookups should not fallback to manual configs r=jduell

--HG--
extra : rebase_source : 9970a98e2f2db96731d85759e251f3b68198ae81
Backed out changeset dcf67f13c6bb, bug 851542 for B2G bustage.
backed out dcf67f13c6bb – bug 851542 - for B2G bustage CLOSED TREE
Bug 761442 - don't use per-word shaping with fonts that use <space> in opentype lookups. r=jdaggett
Bug 761442 - treat substitution and positioning lookups involving <space> differently. r=jkew