Update scratch-render to the latest version 

chore(package): update scratch-vm to version 0.2.0-prerelease.20181226154000

Closes #4198

Fix regex for extracting the project title from a .sb file

Update scratch-vm to the latest version 

Update scratch-vm to pull in changes from scratch-sb1-converter

Update to storage 1.2.2 for clean asset flag fix

Revert "Make remixing/saving faster by marking all assets as clean to start."

Update scratch-blocks to the latest version 

chore(package): update scratch-l10n to version 3.1.20181220222259

Removes the three languages from the menu that still need to be reviewed

chore(package): update scratch-vm to version 0.2.0-prerelease.20181221030743

Closes #4174

translate form validation string

Add telemetry opt-in/opt-out dialog

Closes #4173

More library updates

The playground now displays this on startup when in Scratch Desktop
simulation mode.

The file uploader file input should accept .sb files as well.

Update deps to preserve spaces on stage

Implement list import and export from files

On modal mount, push history if current history state doesn't match this modal's id

Reduce analytics events