small fixes, updated cmake file for qt user interface

gui_qt/CMakeLists.txt

package_bgs/CodeBook.cpp

package_bgs/IBGS.h

package_bgs/IMBS/IMBS.cpp

package_bgs/IMBS/IMBS.hpp

package_bgs/KDE/NPBGSubtractor.cpp

package_bgs/LBP_MRF/MotionDetection.hpp

package_bgs/LBP_MRF/graph.cpp

package_bgs/MultiCue.cpp

package_bgs/MultiLayer.h

package_bgs/MultiLayer/CMultiLayerBGS.cpp

package_bgs/MultiLayer/LocalBinaryPattern.h

package_bgs/PBAS/PBAS.h

package_bgs/ViBe/vibe-background-sequential.cpp

package_bgs/_template_/Amber.cpp

package_bgs/lb/BGModel.h

package_bgs/lb/BGModelFuzzyGauss.cpp

package_bgs/lb/BGModelFuzzySom.cpp

package_bgs/lb/BGModelGauss.cpp

package_bgs/lb/BGModelMog.cpp