Removed en_compressed, and added blocks_compressed + en.js.
Minor styling.
Merge branch 'master' into maze_test
Merge branch 'master' into maze_test
Merge branch 'master' into maze_test
Made the set color blocks in Turtle 2 Level 4 to be undeletable and uneditable.
Merge pull request #118 from nanan9177/maze_test

Some commits that fix things up in Turtle.