* Add --html.assetsBaseURL option
The base URL to the server serving the assets of HTML results.
In the format of https://result.sitespeed.io. This can be used
to reduce size in large setups. If set, disables writing of assets.
* Clarify html.assetsBaseURL parameter description
* Collect the largest assets by type.
* Moved display shortURL to front end code
* Collect cookie stats
* Collect slowest responses
* Styling quick links
* Styling coach score (now when we can)
- rename relativePathFromUrl to pathFromRootToPageDir to make it more obvious what it does.
- join relative url path with / instead of using the path module (should make paths work on all OSes).
- remove path parameter for url run pages, since it wasn't used.
- make StorageManager constructor signature follow node conventions (options last) and add some StorageManager tests.