[Finishes #71448254]
add tooltips and 'edit' links below level entries in script#show.
add 'edit' link in script#show page.
Merge remote-tracking branch 'origin/admin_edit_script_levels' into level-builder
tweaks to level builder workflow
levelbuilder updates. auto-admin access for @code.org accounts on staging.
script builder: create new script
level builder changes
Merge finished into level-builder
levelbuilder changes
merge finished into level-builder

Conflicts:
	app/assets/stylesheets/application.css.scss
	config/locales/scripts.en.yml
	config/scripts/2-3.script
	config/scripts/custom_levels.json
merge finished into level-builder

Conflicts:
	app/assets/stylesheets/application.css.scss
	config/locales/scripts.en.yml
	config/scripts/2-3.script
	config/scripts/custom_levels.json
levelbuilder changes
levelbuilder work
Merge branch 'level-builder' of github.com:code-dot-org/dashboard into level-builder

Conflicts:
	config/locales/scripts.en.yml
	config/scripts/2-3.script
	config/scripts/custom_levels.json
add bounce to 2-3 script
add forms for edit blocks
CSS styling and strong parameter permissions for updated level edit form
Merge remote-tracking branch 'origin/level-builder' into level-builder
levelbuilder changes
Merge branch 'level-builder' of github.com:code-dot-org/dashboard into level-builder
CSS style fixes to puzzle list view