Questions:
* should the message strings include the number? Or should that get added to the name when the name is defined
* added a new ‘shared-messages’ to handle the definition of backdrop, costume, etc which are used in multiple places, they’re all related to defaults, so should it all be in `lib/default-project`

styling for title field; correct input target in tests; make download filename safer with default, max length; in playground index, correctly pass props through to gui container

/ht @chrisgarrity

If the VM is ever instantiated, which happens whenever GUI is instantiated due to default props, then IE11 will crash

Just use ProjectLoaderHOC to translate props to redux. Trying to be clever about using both props and redux state together was... not clever.

Resolves #3040

Fastly is not configured yet

- empty MapDispatchToProps (dispatch)
- remove `on…` VM listeners from props passed to wrapped component.

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*Kind of*. This isn't a good way to do it because we use the storage singleton before GUI is mounted. This needs to happen differently, like configuring storage in the project loader hoc and passing it down, so it could be attached to the VM once it has a VM?

Fixup 723d975d062ce3b585715b5cbabfcdae218d901a

This reverts commit 723d975d062ce3b585715b5cbabfcdae218d901a.

padding and margin changes to make www project page layout work without hacks; hack to position monitors correctly

I think this switches all the icons we saw. I also switched the icons on the tabs (the blocks going the wrong way looked bad).

Move listeners up to vmListenerHOC, and add listeners for new turbo mode events from scratch-vm#1413

Enforce this by using `slice` so that no more are ever shown, which would mess up the layout.

Also fixes the issue where the card text could push out when translated into other languages

•All of the thumbnail images have been updated
•All of the videos have been updated
•New steps were added to Make a Game