Colony & its equipment
**********************
.revision 01

Orbital station:
 can have same buildings as colony, but it cannot
 for example mine anything unless it's build on asteroid.

 (buildings):
 ************

 STAR DOCK - every colony need it , its it's connection with
             outer space  , no bigger can land without this
             building in colony (one solution : fleet of
             landers which will deliver cargo from orbital station)

 Living quarters - people live there
 General storage quarters - water,air,common_stuff is stored here

 Cargo store - every type of cargo can be stored here,
             the more stores you have, the more can colony store
             anyway

 Metal recycling center - very useful, generate metals from metal rubbish

 Ecosphere - isolated life envi. - useful for ox. generation or such things.

 Defensive appliances - many types of things can be used for defense

 Dock parking - for hiding and storing whole ships
      - can be lucrative job if you have large capacity and
        good defensive system

 Factory - many types (weapon,ship,utilities,....)

 Facilities - many types (agriculture,entertainment,scientific,....)