Extended TmxMap to load map properties
Added a couple of extra game over messages

+ small changes
Added full back-end functionality for scoring, but doesn't show/save.

Note: Scores need to be adjusted for each level.
+ general changes
Merge branch 'master' of https://github.com/anokta/CS7038

Conflicts:
	Assets/Scripts/GUI/LevelOverGUI.cs
Merge branch 'master' of https://github.com/anokta/CS7038

Conflicts:
	Assets/Scripts/GUI/LevelOverGUI.cs