Add damageFOV
Merge branch 'master' into damage-fov

Conflicts:
	src/worldobject/weapons/rocket.cpp
	src/worldobject/worldobject.cpp
Fix merge
some visual tuning
Merge remote-tracking branch 'origin/master' into damage-fov

Conflicts:
	src/worldobject/weapons/rocket.cpp
	src/worldobject/worldobject.cpp
fix tests
rename to FieldOfDamage
FireAtObject even if object is null
Merge pull request #339 from voxelinc/damage-fov

Damage FOV