Big Battle Update

1. The battles are now more dynamic. 
Positions of the characters are not fix anymore and will be changed after melee attacks.
Also the positon can be changed as commando.

2. Area Attacks
There are several attacks (melee and magic) which can hit more characters within an area

3. Load Game after Game Over
If a battle is lost, the game can be load before this battle.

Bugfixes (0.5.1)

- Frame drops by loading music
- A skill couldn't be used
- Battle camera was sometimes to close to characters