Make Maven use a final name

This means that it should build as "SSA.jar" without version number in
some cases.
Merge pull request #400 from dreamteam69/master

Make Maven use a final name
Update version number in game + maven
Merge pull request #401 from dreamteam69/master

Update version number in game + maven
Crate icon
Merge pull request #402 from dreamteam69/master

Crate sprite
Change size of crate
Resize astronaut
Merge pull request #403 from dreamteam69/master

Change size of crate
Text to image
Merge pull request #404 from ping19/master

Text to image
Database setup for achievements
Merge pull request #405 from ping19/master

Database setup for achievements
Prevent player from choosing locked ships
Merge pull request #406 from dreamteam69/master

Prevent player from choosing locked ships