Update Rust to 1.14.0-nightly (7c69b0d5a 2016-11-01)
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1. More complete origin check in FileManagerThreadMsg
2. Add reference counting logic to file manage store and script API
3. Integrate the support of slicing
- Hack to stop hitting unreachable on referer
- add fetch_done to make sync work
- Make datauris work by setting the response URI, spec bug
- Allow for empty bodies
- Make request bodies work (pass to http, fix fencepost in iter count)
Add blob loader
Add a blob loader to implement [Blob URL](https://w3c.github.io/FileAPI/#url). The related interfaces to script thread are also declared.
Progressing in parallel with PR #11534. Related to #11131.
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Implement meta referrer policy delivery (3)
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Implement file related functionalities in htmlinputelement and related
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1. Improve the `filemanager_thread` by adding type string and create `SelectedFile`
2. Fill several gaps in `htmlinputelement` implementation related to file type
3. Improve the `File` interface to accommodate the above changes
4. Integrate changes introduced by PR #11189
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