delete tmp files
cleanup
Merge branch 'master' into proj/configurable-region-size

Conflicts:
	assignment-1/game_benchmark_1747/src/server/WorldUpdateModule.cpp
fix min/max macros, compiler warning
add macro to Makefile from merge
Use tree structure to manage regions

Large commit. Changes region management use 4-way tree, with
preliminary support for region-splitting.
fix fprintf
cleanup
fix quest-position generation
Merge branch 'master' into proj/configurable-region-size
add locks and related support to region-tree

* untested, potential for deadlocks
move players and objects when splitting
reward players in child nodes
fix Region_regenerateObjects
oops
split the biggest region if no reassignment

* See SPLIT_STRATEGY=1
standardize Region descriptions
fix warnings
more cleanup
fix analyzer warning