Bug 853498 - GC: Make sure wrapped things are not marked gray r=billm

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extra : rebase_source : 252c8f915af6852f1df09caec0775920b0483003
Bug 848935 - Add debug spew for browser_aboutHome.js intermittent failure.
Bug 854407 - Give the 'child process NNNN still alive after shutdown' failure a unique test name; r=jmaher
Bug 767944 - Implement a manager for centralized quota and storage handling. r=bent
Bug 847590 - Paris binding for BeforeUnloadEvent, r=peterv

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extra : rebase_source : d249e7a7e61c39ccba52a10234e2260b048c941d
Bug 854573 - Paris binding for CompositionEvent, r=peterv

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extra : rebase_source : 3e04e198a329649d7e1f306a31cf96485f0afc0d