Closes #3716

Start Gui with Tutorials Library open for HoC
Also export Tutorial Card initialization for www.

Export the tutorial card URL query string handling for www.
Also fix typo

Update scratch-paint to the latest version 

Split up the backpack visible and backpack host options

chore(package): update scratch-vm to version 0.2.0-prerelease.2018110…

Closes #3703

Update scratch-vm to the latest version 

Fix monitor labels for (current [v year]) block.

made alert type called standard alerts; used for saving, creating

Adds `?tutorial=all` as a recognized option. Gui opens without the preview modal, and with the Tutorials Library open.

Back button in the Tutorials Library takes you to the Editor (not back to referrer).

made alert messages translation-ready
updated project saver hoc
default alerts to COLOR_ORANGE

got tests working

made neutral button color

chore(package): update scratch-vm to version 0.2.0-prerelease.2018110…

Closes #3682

Fix backpack crashing the GUI when trying to store a cloud variable

Fix adding extension blocks from the backpack

Layer extension button and monitors below block drag surface

* Updates to GIFs and HoC content

* lint

Update scratch-storage to the latest version 

Update scratch-svg-renderer to the latest version