REFAC: Update some comments

Examples/RBD/RbdSDFCollision/RbdSDFCollisionExample.cpp

@@ -191,7 +191,6 @@ main()
         LOG(INFO) << " | u - rotate left";
         LOG(INFO) << " | o - rotate right";
 
-        // Not perfectly thread safe movement lambda, ijkl movement instead of wasd because d is already used
         std::shared_ptr<KeyboardDeviceClient> keyDevice = viewer->getKeyboardDevice();
         const Vec3d                           dx = scene->getActiveCamera()->getPosition() - scene->getActiveCamera()->getFocalPoint();
         connect<Event>(sceneManager, &SceneManager::postUpdate, [&](Event*)

Source/Rendering/imstkRenderer.h

@@ -31,9 +31,9 @@ struct SSAOConfig
 {
     bool m_enableSSAO         = false;
     bool m_SSAOBlur           = false; // blur occlusion
-    double m_SSAORadius       = 0.1;   // comparison radius
-    double m_SSAOBias         = 0.001; // comparison bias
-    unsigned int m_KernelSize = 128;   // number of samples used
+    double m_SSAORadius       = 0.1;   // Sampling radius
+    double m_SSAOBias         = 0.001; // Bias/offset
+    unsigned int m_KernelSize = 128;   // Number of samples in the radius
 };
 
 struct RendererConfig