Animmanager (#712)

* Implement LegoAnimationManager::StartEntityAction
Fix some class definitions

* Fix style issues

* Add size annotations

* Fix global pointer

* Style/naming

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Co-authored-by: Christian Semmler <mail@csemmler.com>

LEGO1/lego/legoomni/src/entity/legoworld.cpp

@@ -1,5 +1,6 @@
 #include "legoworld.h"
 
+#include "islepathactor.h"
 #include "legoanimationmanager.h"
 #include "legoanimpresenter.h"
 #include "legobuildingmanager.h"