Update scratch-storage to the latest version 

Update scratch-render to the latest version 

Bring back "Updates to preview modal for release"

Revert "Revert to pre-bitmap paint editor for deploying"

Add a simple smoke test for the how-to library

Allow more mime types to be processed.

Firefox and Safari both process mp3s as having audio/mpeg, and a variety of different audio/wav* possibilities.

Revert to pre-bitmap paint editor for deploying

Revert "Updates to preview modal for release (#1864)"

This reverts commit 29d5619d.

Update scratch-paint to the latest version 

* WIP tips

* WIP first card stack

* WIP use tips reducer to show things to try

* single card deck similar to mask sequence

* collapse option

* Add zoom card

* WIP tips

* Reorganized to redux

* Add zooming to the gifs

* Blue cards + navigation

* Add tips to new nav bar

* Remove blue

* Update design with icons

* deck updates wip

* Updated card decks

* Add videos to libraries

* Update initial card and clicker preview

* Add backdrop to initial card step.

* WIP use vimeo player instead

* New simple spin deck

* Spin around and say hello decks

* Update button and sub-card styles

* Fix "tips" button in menu bar

* Use move cursor

* Fix cursor

* Use same image for deck preview and library

* Fix cursor again

* Update clicker game deck

* Add videos as single-step decks

* Change tips in menu bar to ? icon

* Change “tips” to “how-tos” in library

* Add help icon to cards

* Update deck library images

* Add drag cover for youtube video to prevent catching mouseup

* add a step to spin deck for clicking control

* Blue bar style updates

* Add step pips

* Update clicker game name to run away

* Fix image padding

* Add change color step to spin deck

* Add start sound step to run away deck

* Update say deck to start with adding a sprite

* Remove package lock

* Remove zooming functionality

* Remove unnecassary prototype changes

* Split up rendering of cards into smaller parts

* Use FormattedMessage for all strings

* Automatic lint fixes

* Almost finished with lint errors!

* Fix more lint errors

* Clean up CSS

* Fix webpack config

chore(package): update scratch-blocks to version 0.1.0-prerelease.152…

Closes #1877

Rename getCostumeSvg to getCostume

Update scratch-paint to the latest version 

* Updates to preview modal for release

* Design tweaks and remove import modal

* Resolve issues with tests

* Copy edits HT Eric

* Resolve lint issue with integration test

* One more change to the disclaimer language

* Add line break

Update scratch-audio to the latest version 

Update scratch-render to the latest version 

Update travis to publish dist and build

Upload Costumes and Backdrops (vector and bitmap)

Allow the back button to work with libraries

Merge pull request #1862 from LLK/revert-1861-greenkeeper-pls/scratch-vm-0.1.0-prerelease.1524520946

Revert "Update scratch-vm"

Update scratch-vm