#243 xdump deficiencies

[Markus Armbruster]

xdump has the following deficiencies:

- Can't show sect mines to old owner
- Can't show ship xbuild, ybuild to builder
- Can't show commodity xbuy, ybuy to maxbidder
- Can't show commodity xsell, ysell to owner
- Can't show trade xloc, yloc to maxbidder
- Can't show country tech, research, happiness,
education, relations to mortals
- nat rejects, priorities not implemented

[Markus Armbruster]

Logged In: YES
user_id=596270

- Can't show news to mortals when HIDDEN

[Markus Armbruster]

Logged In: YES
user_id=596270

nat relations for mortals are implemented in nsc.c rev. 1.114.
nat rejects are implemented in nsc.c rev. 1.115.

[Markus Armbruster]

nat priorities were removed in commit 520446e, v4.3.6.