Refactor Frontend + Asset code
- Use Laravel's Filesystem component for asset IO, meaning theoretically
assets should be storable on S3 etc.
- More reliable checking for asset recompilation when debug mode is on,
so you don't have to constantly delete the compiled assets to force
a recompile. Should also fix issues with locale JS files being
recompiled with the same name and cached.
- Remove JavaScript minification, because it will be done by Webpack
(exception is for the TextFormatter JS).
- Add support for JS sourcemaps.
- Separate frontend view and assets completely. This is an important
distinction because frontend assets are compiled independent of a
request, whereas putting together a view depends on a request.
- Bind frontend view/asset factory instances to the container (in
service providers) rather than subclassing. Asset and content
populators can be added to these factories – these are simply objects
that populate the asset compilers or the view with information.
- Add RouteHandlerFactory functions that make it easy to hook up a
frontend controller with a frontend instance ± some content.
- Remove the need for "nojs"
- Fix cache:clear command
- Recompile assets when settings/enabled extensions change
This finally adopts the new standardized interfaces instead of the
work-in-progress ones with the `Interop\` prefix.
Since we have now updated to PHP 7.1, we can also use Stratigility
3.0 as the middleware dispatcher.
- Use cookies + CSRF token for API authentication in the default client. This mitigates potential XSS attacks by making the token unavailable to JavaScript. The Authorization header is still supported, but not used by default.
- Make sensitive/destructive actions (editing a user, permanently deleting anything, visiting the admin CP) require the user to re-enter their password if they haven't entered it in the last 30 minutes.
- Refactor and clean up the authentication middleware.
- Add an `onhide` hook to the Modal component. (+1 squashed commit)
