Fix corner radius bug

Give fixed IDs to all monitored blocks

Stop refreshing the toolbox by using new batch update API

The VM refreshWorkspace will eventually lead back to onWorkspaceUpdate,
which will call refreshSelection itself.

Fix sprite position updating the toolbox blocks

Update the costume name from the paint editor

Revert broken performance improvement and add tests

This reverts commit 5b9e8aa0, reversing
changes made to 4cb65dc5.

Also, simplify the paint editor wrapper by passing in most props from redux. Since the paint editor will only receive relevant props, remove shouldComponentUpdate. Clean up PropTypes as well.

importing l10n that includes paint strings

New extension library modal styles (with pen extension)

Remove manual refresh for scratch-blocks workspace

Removing WeDo extension for now

Update to chromedriver 2.33.1

Update react-responsive to the latest version 

Uses new version of scratch-l10n.

Update enzyme-adapter-react-16 to the latest version 

Add a paint editor wrapper which only rerenders when necessary