fix editing blocks properties with form fields
Optimize script update performance
(cherry picked from commit 01e2fa7)
Add level-builder text-based editors for Multi and Match levels
(cherry picked from commit 05014eb)
fix puzzle css
(cherry picked from commit 21320d7)
script builder: create new script
(cherry picked from commit 1666e9a)
tweaks to level builder workflow
(cherry picked from commit 1446836)
levelbuilder updates. auto-admin access for @code.org accounts on staging.
(cherry picked from commit 3dc0f0e)
css adjustment (for admin mode edit link under puzzle-number)
set 'admin script: true' for script#show view
Merge pull request #930 from code-dot-org/levelbuilder-changes

Levelbuilder changes