Play a song when the stage is clear

Play a victory theme when the player collides with the umbrella. When the
song finishes, the player starts the next level.

The song added is temporary. The original song will be added in other
patch.
Play a song when the level 2 is clear

Play a victory theme when the player collides with the umbrella of the
second level. When the song finishes, the ending screen is shown.
Disable jumping when the player wins or loses

Fix a bug that enables the player to jump when he has won or lost. Now,
all player moviments are disabled.