New unit: Airship

Name: Airship
Training cost: 100000 elixir
Housing space: 15
Damage per second: 150(all 5 bombs)
Attack type: Massive
Favourite target: Defenses
Description: Airship is a tough version of Balloon. It throws 5 bombs on a defense buildings. He soaks up archer tower's attacks, but can't soak upsome of Air Defense's attacks. Unleash several of these creatures of anger for big booms!

P.S. To train this unit, Barracks must have more slots

P.P.S. Sometimes Air Defense deals 100% of it's damage, but mostly it deals 1/2 of its damage