Cleanup based on jshint (except leading commas)
Changed to trailing comma style instead of comma-first
Removed excessive requestAnimationFrame browser checking
Normalized to 4 spaces instead of 2

Now that 4 spaces are in use, modified some longer statements to still respect 80 char line length
Gets the turtletest.html running

Implements setup method
Fixes write to use fillcolor instead of pencolor
Fixes key and click handlers to allow bound methods
Fixes reset method for turtles
Merge remote-tracking branch 'upstream/turtledev' into turtle-suspensions