getting started on new_science
grid calculation function working
changed to checkboxes... obvious. why not earlier
got the styled checkboxes working and syncing with model
putting things in separate files
pull the input fields out into a directive
moved the changeAngleOnClick method to its directive
refactored the turtle script generateIteration...
refactored the renderTurtle directive and turtle script
broke drawing into parts so it doesnt crash
renamed a couple functions and vars
changed setInterval to setTimeout. its better
return progress every time continueDrawing is called
clear current animation if options change...