REFAC: Refactor all the examples

Examples/Audio/AudioExample.cpp

Examples/CMakeLists.txt

...etection/ManualCDWithOctree/ManualCDWithOctreeExample.cpp

Examples/DebugRendering/DebugRenderingExample.cpp

Examples/DeformableBody/DeformableBodyExample.cpp

Examples/GeometryTransforms/GeometryTransformsExample.cpp

Examples/LineMesh/LineMeshExample.cpp

Examples/MeshIO/MeshIOExample.cpp

Examples/MshVegaIO/MshVegaIOExample.cpp

Examples/NoRendering/noRenderingExample.cpp

...ectControllerDummyClient/ObjectCtrlDummyClientExample.cpp

Examples/Octree/OctreeExample.cpp

Examples/PBDCloth/pbdClothExample.cpp

...DCollision/ManyDragons/PBDCollisionManyDragonsExample.cpp

...s/PBDCollision/OneDragon/PBDCollisionOneDragonExample.cpp

Examples/PBDFluids/PBDFluidsExample.cpp

Examples/PBDString/pbdStringExample.cpp

Examples/PBDVolume/PBDVolumeExample.cpp

Examples/Rendering/RenderingExample.cpp

Examples/RigidBodyDynamics/RigidBodyDynamicsExample.cpp