Method newMonth

src/Savegame/Region.cpp:113–121

* Store last month's counters, start new counters. */

 * Store last month's counters, start new counters.
 */
void Region::newMonth()
{
	_activityAlien.push_back(0);
	_activityXcom.push_back(0);
	if(_activityAlien.size() > 12)
		_activityAlien.erase(_activityAlien.begin());
	if(_activityXcom.size() > 12)
		_activityXcom.erase(_activityXcom.begin());
}
}