Merged MMTDeclaration and ScrollFacts; Bug fixes

Assets/Resources/Prefabs/Facts/Circle.prefab

Assets/Scripts/InteractionEngine/FactHandling/FactManager.cs

...s/Scripts/InteractionEngine/FactHandling/FactOrganizer.cs

Assets/Scripts/InteractionEngine/FactHandling/FactSpawner.cs

...InteractionEngine/FactHandling/Facts/AbstractAngleFact.cs

.../InteractionEngine/FactHandling/Facts/AbstractLineFact.cs

Assets/Scripts/InteractionEngine/FactHandling/Facts/Fact.cs

...ipts/InteractionEngine/FactHandling/Facts/FunctionFact.cs

Assets/Scripts/InteractionEngine/TBD/CanonBallCalculator.cs

Assets/Scripts/InteractionEngine/WorldCursor.cs

Assets/Scripts/InventoryStuff/Scroll.cs

Assets/Scripts/InventoryStuff/ScrollDetails.cs

Assets/Scripts/Loading/Stage.cs

Assets/Scripts/MeshGenerator/CircleGenerator.cs

Assets/Scripts/SOMDocManager.cs

...ThirdPersonCharacter/Scripts/ThirdPersonMovementScript.cs

Assets/Scripts/UI/InGame/PopupBehavior.cs

Assets/Scripts/Utility/IJSONsavable.cs

Assets/Scripts/Utility/Math3d.cs