Update scratch-render to the latest version 

Add tests for uploading sprite and costume by file

Allow code to be dragged directly to sprite tiles

Strip nbsp to fix serializing svg on safari

* Add test for Scratch Link unavailable error modal

* update vm

define login dropdown messages, so www component will render with readable text

removed save and save copy from beta; better menu section style handling

Fixes Close button overlap issue

chore(package): update scratch-paint to version 0.2.0-prerelease.2018…

Add basic "show more" pagination for the backpack

added simple spinner component

* Use target id in volume reporter block

* update VM

Fix problem with updating cloud vars to zero.

when user clickes File->New, only save if user can save

Closes #3633

chore(package): update scratch-blocks to version 0.1.0-prerelease.154…

Added a unit test and covered the other case (not used) where you might be trying to update the index zero of a list

Closes #3646

Revert "Blur language select focus when mouse leaves"

Add pointer-events:none to sprite img to prevent dragging.

don't require onActivatedBlocksTab prop in TargetPane container

Fix dropdowns on backpack items being transparent