release 0.0.48
Updated feedback message for free play level.
[Finishes 59705460]: treat dismiss as continue on dialogs that only have continue
merge
Merge pull request #258 from nanan9177/tutorial

Updated feedback message for free play level.
artist -> turtle
Translations
tweaked based on Nan's feedback
Merge pull request #256 from nanan9177/blockly_fix

Merged redundant parameters.
Merge pull request #257 from cpirich/continueondismiss

Continueondismiss
Uglify JS
MOOC_MINIFY option for fast dev, but small build output
Run lossless png compression command:

find static -name "*.png" -exec optipng -o7 {} \;
Merge pull request #260 from brandonbloom/uglify

Minification
release 0.0.49
Merge pull request #259 from nanan9177/blockly_fix

Use level-specific feedback when available.
Added start blocks for Level 2_8.
Merge pull request #261 from nanan9177/tutorial

Added start blocks for Level 2_8.
Minify CSS
Added level 2_2_5.