Alpha 0.5 available

The game is still in a preliminary version. 

Here are the fixes and changes in 0.5.

• No more "death" dialog after player respawning
• No more wait during new level loading if you died
• "death" level maze is now easier to use.
• Starting player health points increased to 20.
• First player spawn has only 5 health points.
• Level 1: supply chest added
• Level1: player need to talk to "Stone Face" in order to move on
• Quick slot bar added to the compass.
• New Kobold guardian speech effect.
• Level 3: no more player interaction with torches
• Levels 1 and 2: brightness improved.
• Levels 1 and 2: new torch model
• Default stone animation added
• General debugging
• Italian language support added
• English dialogue translation improved