Update README.mkd

Added clearer instructions on how to get on the early access list
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
Collision detection, score counting etc.
twitter instead of email
Merge pull request #11 from iBednar88/bednarfeatures

Collision detection, score counting etc.
Use syntactic sugar for enums
Add comment explaining shorter enum syntax.
Do not trim white spaces to avoid noise.
Merge pull request #14 from pawurb/nicer_enum_syntax

Use syntactic sugar for enums
Updated to handle casts to different types
Be explicit of resource path existance.
Fix the xcode 6.1 compilation issue
Merge pull request #25 from GiorgioNatili/master

Fix the xcode 6.1 compilation issue
Merge pull request #17 from krankin/xcode6beta4

Updated to handle casts to different types
Merge pull request #21 from jarinosuke/fix_xcode6_beta6_build

Be explicit of resource path existance.
added gitigore as per @jurvis suggestion in pull/22