[nem-en] Integration issues

[vc]

   Hi, All
   
   > > They are, actually the field "loc" in the Located class is mutable,
   > > so you assign new location whenever you wish (just create a
   > > new location object, which doesn't cost anything anyway). 
   > > Maybe adding some SetLocation method wouldn't hurt.
   > 
   > As Vlad made it more exact, we have more places that need to be
   > changed and we need one consistent approach. I think SetLocation could
   > be the one.
   
   I make a decision don't change locations. I work on "relocation map"
which dynamically substitutes the information about Location on information
from RelocationMap.