wrote doxygen style comments and also improved the working of modelViewer
wrote doxygen style comments and also improved the working of modelViewer

deepakkumarsharma/OGV-meteor,deepakkumarsharma/OGV-meteor,BRL-CAD/OGV-meteor,inderpreetsingh/OGV-meteor,meShubham99/OGV-meteor,BRL-CAD/OGV-meteor,meShubham99/OGV-meteor,BRL-CAD/OGV-meteor