avoid gratuitous names
Hour of NODE
Renamed tutorial
default name of gtae is exit
watery blue background
Use water colors
document and validate level 1
level 2
redo level 1 on diagonal
level 2 (was 3)
fix level 2 metrics
comment on goal
      goal: { clicks: 3, bricks: 4, ticks: 12 }
 ordering
interrupt level
Explain interrupts
Edit level
desription of level that teaches editing/design mode
count sprite creation clicks
Merge pull request #134 from TheSwanFactory/update-tutorial

Update tutorial with pedagogical comments
Alpha 2 Tutorial