fixed Pause, music and sfx buttons work properly
added Game, music and sound effects are affected by PlayerPrefs variables
deleted Pause, return button
fixed Pause, sound effect and music buttons work
fixed secondLife icon

Merge branch 'master' of https://github.com/PMGK-Gr1/TheGame

Conflicts:
	Game/Assets/MainGame/Camera/Pause/MusicButton_Pause.cs
	Game/Assets/MainGame/Camera/Pause/SoundButton_Pause.cs
	Game/Assets/MainGame/Donut/Scripts/Donut.cs
	Game/Assets/MainGame/MainScene.unity
	Game/Game.userprefs
	Game/ProjectSettings/ProjectSettings.asset