v 1.1 released

Change log v1.1:

• fix missing sound effects for: jump, wolf bark
• add animation for helicopter pre-shoot
• add particles for collisions with birds, trees
• align tutorial messages
• update 2d textures with antialiasing
• add gamepad support
• update boot screen
• add focus to buttons during cutscenes
• adjust collision shapes
• remove feature “walking on wolves”