* extract to local vars
* also call Map::shutdown for the unittests
* extended MapTest by testPlayerCrash
* fixed crashing player collected entities drop

* that could create new entities in the box2d cycle
* extended and refactored MapTest to allow more player crash tests
* extended MapTest by testPlayerCrashFishNothingCollected
* extended MapTest by testPlayerCrashWalkingPackage
* updated changelog
* allow to override the time to wait
* fixed test map