VERSION: Increment to 11.26
FIX: Revert optimisation of co-ordinates ("koord3d") that was incompatible with GCC and is likely to have caused network desyncs (TurfIt).
NOTE: The above fix was incorrectly stated to have been applied in a previous commit.
FIX: Player slot 0 ("default player") was not liquidated on bankruptcy.
Merge branch '11.x' into 12.x

Conflicts:
	simversion.h
Merge branch '12.x' into devel-new

Conflicts:
	simfab.cc