Add K1 directional jump blocks
Rename method to camelCase
Add short and long line input parameter blocks.
Undo accidental renaming
Remove doc TODO
Add missing semicolon
Remove unused simple_jump block. Rename lengthInputOutput -> lengthInputResult
Remove simple_jump
Use dynamically sized lines
Pass value directly for preserveAspectRatio
Add Maze app NESW movement blocks
Remove as-of-yet unused direction block config parameters
Use enum for MoveDirection and TurnDirection
Move tile direction helpers into tiles.js, remove direction4 -> direction16 conversion magic numbers
Use nonnegative modulus for direction constraining
Merge pull request #499 from code-dot-org/k1_artist_changes

More K1 artist move block changes