Merge pull request #1 from TodorBalabanov/master

Merge with master fork.
Merge pull request #2 from TodorBalabanov/master

Merge with master fork.
Game screen UI should be designed.
Merge pull request #3 from TodorBalabanov/master

New art have been added.
Images reorganization was done.
All images are on their places.
Merge pull request #2 from InaBaltadzhieva/master

Images and listeners.