Bug 892291: Correctly compute ranges for Math.imul; r=nbp

--HG--
extra : rebase_source : 0b6d8d27bbb01fee911e90fc571f683e175fdbbc
Bug 889515 - Get rid of static sCompositorParent. r=nical
Bug 892467 - Draw cocoa titlebar using correct shader. r=mstange
Bug 892646 - Remove unsued final-link-{libs,comps,comp-names} files; r=glandium