Änderungen

Allow dummy caster unit to attack when ordered (#269)
* Allow dummy caster unit to attack when ordered
 This change allows to use dummy casters with "attackonce" order. It may
be useful in the following pattern:
`new DummyCaster().castTarget(AbilityIds.poisonSting, lvl,
OrderIds.attackonce, target)`
 This does not break compatibility since the dummy won't attack unless
explicitly ordered thanks to the special ability based on permanent
invisibility.