Merge pull request #50 from alanjcfs/choose-and-animate-avatar

Choose and animate avatar
allow people to hold down the button to move. fixes #17
Merge pull request #51 from yesugei/master

allow people to hold down the button to move. fixes #17
Use library/fs module to traverse avatar assets

Some people don't necessarily have lfs installed. We use the included
library to traverse through the files and set the image.
Merge pull request #53 from alanjcfs/choose-and-animate-avatar

Use library/fs module to traverse avatar assets
fixed frequency update, specifically for nsq.
send update player position only when moving.
changes to client for server side message changes
Merge pull request #54 from timkettering/master

changes to client for server side message changes