This ensures that the reducer is actually called with the project data that storage loaded

* Handle recordSoundCallback from blocks

* Set custom field type for sounds menu

* Add record… item to sounds menu

* Use localized string and ID for ‘record…’ option

* Add integration test

* Don’t use custom field for sounds menu

* Use callback as the value of the ‘record…’ menu item

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

Remove the default prop test because the default projectId prop comes from redux now, so it doesn't make sense to test the default

Lint

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).

Expected change for a className that uses classNames function now, but didn’t before.

Preview FAQ -> FAQ

Make welcome image in modal match the homepage banners

Preview -> Beta (:D)

HT @paulkaplan

Locale detection function that checks browser setting and lets URL parameter (locale= or lang=) override the browser setting.