Make Game over visible

Was hidden behind the message dialog.

Alternatively, text could show in centre, followed by a 3 second pause,
then the message dialog?
Merge pull request #214 from dreamteam69/master

Make Game over visible
Use utilities class for "Game Over" text
Merge pull request #215 from dreamteam69/master

Use utilities class for "Game Over" text
Remove title from game over dialog
Merge pull request #216 from dreamteam69/master

Remove title from game over dialog
Add background to splash
Merge pull request #217 from dreamteam69/master

Add background to splash
Super Spaceship Adventure?
Version bump
Show build + version instead
Merge pull request #218 from dreamteam69/master

Super Spaceship Adventure?
Merge pull request #219 from dreamteam69/master

Show build + version instead
Black & white elements (Message dialogs)
Merge pull request #220 from dreamteam69/master

Black & white elements (Message dialogs)