Added length message.
Added K1 check.
Added length message.
Added K1 check.
Merge branch 'better-hints' of github.com:code-dot-org/blockly into better-hints
Very minor style changes to reduce diff.
Fixed jshint error (missing semicolon).
Changed UI so tip box only shown for hints from database, per Mona.
Completed change to tip box.
Backed out change to tip box.
Merge branch 'better-hints' of github.com:code-dot-org/blockly into better-hints
Restored old version of feedback.js (undid changes to tips).
Improved abstraction.
Made tip box only appear for database feedback.
Minor fix.
Added missing semicolon.
Merge pull request #744 from code-dot-org/better-hints

Added feedback for when only length is wrong in K1