Bug 849216 - open social toolbar popup in setTimeout handler to avoid auto-rollup handling.  r=felipe

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extra : rebase_source : 311aaca5135f223ebcc9f6e3ca81e3c4b2bee219
Bug 846670 - Initialize stackBase and stackSize properly for the main-thread when using bionic. r=billm
Bug 849819 - Enable thumbnails for HTTPS sites when disk_cache_ssl is true [r=ally]
Bug 849616 - Use ObjectWrapper.jsm instead of __exposedProps__ in Settings API. r=gwagner

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extra : rebase_source : b6f492515c0735e8d16fb3f9e903389b09ae3943