toolbox_blocks category mode builder
Add AJAX error for invalid new artist level creation
fix test
Support special "Functions" and "Variables" category names
fix test (use valid xml for program)
Merge pull request #937 from code-dot-org/toolbox_category_builder

toolbox_blocks category mode builder
cast step_mode to blockly value
Merge remote-tracking branch 'remotes/origin/finished' into new_artist_ajax_errors

Conflicts:
	app/controllers/levels_controller.rb
Merge pull request #947 from code-dot-org/new_artist_ajax_errors

Add AJAX error for invalid new artist level creation
Merge pull request #948 from code-dot-org/step_mode_integer

cast step_mode to blockly value
Automatically built
add "images" field for svg images in blockly
Merge pull request #928 from code-dot-org/level-builder-image

add "images" field for svg images in blockly
Dropbox changes
Fix crontab.
Simplify the cronjob
Automatically built
Merge pull request #952 from code-dot-org/finished

deploy to delivered