(no bug, comment-only) s/:before/::before/ in one comment, for consistency with rest of the comment. DONTBUILD
Bug 865005 - Part 1: Refactor initialization and create loadStartupTab() for initial tab. r=mfinkle
Bug 865005 - Part 2: Use SessionRestoreException to avoid swallowing unrelated exceptions. r=mfinkle
Bug 865005 - Part 3: Move session restore code into restoreSessionTabs(). r=mfinkle
Bug 865005 - Part 4: Merge multiple session strings before restoring. r=mfinkle
backout 4d9806fa8737 for busting talos on a CLOSED TREE
Bug 860899 - Fixup metro mochitests r=jimm

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extra : rebase_source : c512b5afb0a457d411e4706571a7f1482a4a8f88
Bug 863069 - Part 4: Reorder lists to be alphabetical; r=ted

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extra : rebase_source : 87ed9d862bc32824d518438b0be74b47a77c198a
Bug 863069 - Part 5: Require sorted lists in moz.build files; r=ted

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extra : rebase_source : c5b91990944e3cc19d3759b894e41d88e42032cd
bug 860043 - don't log by default; remove extraneous newlines; r=sicking

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extra : rebase_source : 0eadba653575f9faf9037ecce5904bab107d2f5c
Bug 873253 Crash clicking on file input in XUL whitelisted site r=bz