Changed unneeded variables to constants
Merge pull request #8 from jollyjinx/master

Changed unneeded variables to constants
remove semicolons
Merge branch 'master' of github.com:fullstackio/FlappySwift

* 'master' of github.com:fullstackio/FlappySwift:
  Changed unneeded variables to constants

Conflicts:
	FlappyBird/GameScene.swift
use optionals instead of objects that are thrown away. /ht @solomon23
twitter instead of email