fix end of level screens

[thunderrabbit]

Failed screen:

• remove home button
• hide score
• hide remaining requirements
• show retry button (retries level)
• show back button (goes back to level select)

Success screen:

• remove home button
• show score in box
• show next level button (goes to next level)
• show back button (goes back to level select)

[thunderrabbit]

Removed black bar as of bf89a12250589a15dbdffce0d6247e0bcffc9908