Bug 849666 - Make CheckedInt<T>::operator-() not depend on undefined behavior when negating minimum signed values, and add a test for this.  Patch is something of a tag-team effort by bjacob and me.  r=bjacob
Bug 739757 - Update doorhanger notification strings. r=mfinkle,gbrown
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Bug 739757 - (Part 1) Update strings for offline apps/indexedDB notifications. r=mfinkle
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Bug 739757 - (Part 2) Update strings for content permissions prompts. r=mfinkle
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Bug 739757 - (Part 3) Update click to play plugin strings to use "activate" instead of "play". r=mfinkle
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Bug 739757 - (Part 4) Update popup blocked notifications. r=mfinkle
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Bug 739757 - (Part 5) Update telemetry prompt strings. r=mfinkle
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Bug 739757 - (Part 6) Update login manager strings. r=mfinkle
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Bug 739757 - (Part 7) Update testDoorHanger to work with new strings. r=gbrown