* added GAE path finder (SearchEngine and friends)

* some small changes to Unit, UnitType, Vec2<> & Map needed for the new path finder
 * compiles, but not hooked up yet, old PathFinder still in use

source/shared_lib/sources/platform/win32/glob.c

@@ -45,6 +45,7 @@
 #include <assert.h>
 #include <errno.h>
 #include <stdlib.h>
+#define NOMINMAX
 #include <windows.h>
 
 #define NUM_ELEMENTS(ar)      (sizeof(ar) / sizeof(ar[0]))