Bug 879874 - Do not allow JIT code to allocate into a disabled nursery; r=bhackett

--HG--
extra : rebase_source : 5f08128798e8f54d1a145f85ed75d0fab2343381
Bug 878594 - remove alternate-protocol support for spdy upgrades r=mcmanus
Bug 878411 - define xFetch and xUnfetch methods in TelemetryVFS file objects; r=mak
Bug 880202 - Revert bug 878765 because it introduces a buffer overflow
Bug 831789 - Enhance existing peer connection mochitests to check for media flow. r=jesup
Bug 878621 - Add "cul-de-sac" to spell-checker dictionary. r=ehsan
Bug 879088 - Replace XPCOMUtils.defineLazyGetter with XPCOMUtils.defineLazyModuleGetter where modules are loaded in browser.js, AddonUpdateService.js, and SessionStore.js. r=margaret
Bug 874736 - Annotate "using CompositableHost::EnsureTextureHost;" to fix warnings with -Woverloaded-virtual in gfx/layers/composite. r=nical