New skybox
Merge branch 'Windows' of https://github.com/CarlRapp/Agile into Windows

Conflicts:
	Breakout/Breakout/Scenes/MainMenuScene.cpp
Extra life POWERUP
sound when collide with solid BLOCK
sound when slow down / slow up
Merge branch 'Windows' of https://github.com/CarlRapp/Agile into Windows

Conflicts:
	Breakout/Breakout/ComponentSystem/System/BlockSystem.cpp
	Breakout/Breakout/Scenes/GameScene.cpp
Merge branch 'Windows' of https://github.com/CarlRapp/Agile into Windows

Conflicts:
	Breakout/Breakout/Scenes/GameScene.cpp