Revert "Indentation style changed to Horstmann"

This reverts commit f2259f712d.

Conflicts:

	src/GameWorld.cpp
	src/Systems/PhysicsSystem.cpp

src/Model.h

@@ -20,7 +20,8 @@ public:
 	Model(const char* path);
 
 	struct TextureGroup
-	{	std::shared_ptr<Texture> Texture;
+	{
+		std::shared_ptr<Texture> Texture;
 		unsigned int StartIndex;
 		unsigned int EndIndex;
 	};