Fix file ending for deploy script.
Compile before disabling the old version.
Add CoffeeScript compilation to deploy process.
Merge pull request #1 from benmanns/deploy-upgrades

Deploy upgrades
Make about-face turns work

Buffer up to two Heading changes, then apply them one at a time in
AdvancePosition
Speed up game progressively as food is eaten
Merge pull request #2 from grncdr/about-face-turns

Make about-face turns work
Merge pull request #4 from grncdr/progressive-speed-up

Speed up game progressively as food is eaten