First iteration of procedures modal with block workspace

Temporarily hide WeDo extension

Update music extension image

Fix toolbox xml for broadcast messages

Try using sentry to make bug finding more effective

Add number rounding in variable monitors

Fix only sprite failure

Resolve issue with improperly sized / positioned legacy backdrops

Try fixing travis permissions problem for chrome

Remove all bitmap assets from libraries

Play the restored sound after undo/redo in the sound editor

Revert breaking change version update

react-intl-redux is introducing breaking changes in minor version updates since they’re pre version 1.0

Fix extensions disappearing when switching sprites