Army Camp Upgrade

Army Camp level 1 : 250 Elixir - 5 min build time
Capacity : 20

Army Camp level 2 : 2,500 Elixir - 1 hour build time
Capacity : 30

Army Camp level 3 : 10,000 Elixir - 3 hour build time
Capacity : 35

Army Camp level 4 : 100,000 Elixir - 8 hour build time
Capacity : 40

Army Camp level 5 : 250,000 Elixir - 1 day build time
Capacity : 45

Army Camp level 6 : 750,000 Elixir - 3 day build time
Capacity : 50

Army Camp level 7 : 2,250,000 Elixir - 5 day build time
Capacity : 55