Change set sprite "mood" to "emotion"
Merge pull request #723 from code-dot-org/emotion_to_mood

Change set sprite "emotion" to "mood"
Add set [background, speed, and emotion] blocks to k1 simplified studio freeplay
Merge pull request #724 from code-dot-org/add_studio_blocks

Add set [background, speed, and emotion] blocks to k1 simplified studio freeplay
[Finishes #74328494] replace flowercomb with cloud animation
Code review feedback
Merge pull request #725 from code-dot-org/beeCloud2

[Finishes #74328494] replace flowercomb with cloud animation
Moved and edited feedback from dashboard.
Remove code referencing nonexistent failForOther1Star attribute.
Replaced OTHER_1_STAR_FAIL with APP_SPECIFIC_FAIL.
Removed references to stars, renaming OTHER_2_STAR_FAIL to APP_SPECIFIC_ACCEPTABLE_FAIL.
Made getFeedbackMessage() more regular, added comments.
Made options.message highest priority, added comments.
Renamed flappy bird message.
Merge branch 'hints' of github.com:code-dot-org/blockly into hints