*** empty log message ***

- upgrade crossfire trt to the GPL version 3 (hopefully correctly).
- add a single file covered by the GNU Affero General Public License
  (which is not yet released, so I used the current draft, which is
  legally a bit wavy, but its likely better than nothing as it expresses
  direct intent by the authors, and we can upgrade as soon as it has been
  released).
  * this should ensure availability of source code for the server at least
    and hopefully also archetypes and maps even when modified versions
    are not being distributed, in accordance of section 13 of the agplv3.

- prepare find_style_map rewrite
- move pick_random_object to maptile::
- make pick_random_object fair overe the numbe rof monsters and
  no longer prefer big monsters.

comments

make random map paths more beautiful, in the common case

- word of recall activated the player indirectly
- implement maptile->xy_find and xy_load
- separate find and load, even on C level
- generate map_leave/enter and map_change events even for tiled map changes
  (experimental)
- implement mainloop freezeing by start/stop, not skipping ticks
- no map updates when player !active

increased various limits, strategically added cede's

many minor changes everywhere, random maps crash sometimes but design is in place

random maps are nphard

the big rename

- more ooficiation
- removed now superfluous remove calls

mapstruct => maptile
removed many ytypedefs in favor of structure tags

cleanup

THIS CODE WILL NOT COMPILE
use the STABLE tag instead.

- major changes in object lifetime and memory management
- replaced manual refcounting by shstr class
- removed quest system
- many optimisations
- major changes

Made server compile with C++.
Removed cfanim plugin and crossedit.
C++ here we come.