simple NES D-pad event listeners
add example game: Full Screen Mario
add basic HTML for pairing-screen modal; change flow for initiating handshake and peer communication
set `font-family` on modal instead of body when modal is opened (issue #35)
prepare files for Mario example game
lock screen orientation (everywhere not just Firefox); add fullscreen support
make sure overlay CSS is loaded before we inject the HTML (fixes #38)
(WIP) add signals to handle gamepad button events (issue #44)
bump Mario: working NES gamepad controls
add example game: Commander Keen
bump FullScreenMario
bump dist
move polyfills to utils
change structure of data messages
change names of events; fix _emit event removal
use strict mode
remove comments outlining steps
strict mode everywhere; add `.jshintrc` to turn codebase into oh-so-perfect code