Remove azure(canvas) dependency from canvas_traits
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Remove azure (canvas crate) dependency from canvas_traits crate.
There might be some tests that are failing due to changed implementation location. I will take a look at this pull request build status.
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- [x] These changes fix#14108
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- [x] These changes do not require tests because no methods were modified or moved
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Remove FrameChange::document_ready
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Remove unused `FrameChange::document_ready` field and remove unused boolean in `ConstellationMsg::GetPipeline`'s second argument.
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- [x] These changes fix#14693
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Check for wss schemes in Cookie::appropriate_for_url
* Also adds a new helper, `ServoUrl::is_secure_scheme`.
* Refactored `CookieStorage::push` and `CookieStorage::remove` to use the new helper.
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- [x] These changes fix#14702
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- [X] These changes do not require tests because we can't test the changes yet.
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Pipeline documentation comments
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Rewrote the documentation comments for `pipeline.rs`.
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update "working on a crate"
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Update of the "how to replace a dependency" part of "Hacking Servo".
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- [x] These changes fix#14688 (github issue number if applicable).
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Constellation documentation comments
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Rewrote the documentation comments for `constellation.rs`.
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Add check for bad ports to http_fetch(), return NetworkError::Internal if bad port/schema combination is seen.
Test added
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- [x] These changes fix#14514 (github issue number if applicable).
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