Updated opencv compatibility of the bgs algorithms

src/algorithms/DPAdaptiveMedian.h

src/algorithms/DPEigenbackground.h

src/algorithms/DPGrimsonGMM.h

src/algorithms/DPMean.h

src/algorithms/DPPratiMediod.h

src/algorithms/DPTexture.h

src/algorithms/DPWrenGA.h

src/algorithms/DPZivkovicAGMM.h

src/algorithms/FuzzyChoquetIntegral.h

src/algorithms/FuzzySugenoIntegral.h

src/algorithms/IndependentMultimodal.h

src/algorithms/KDE.h

src/algorithms/LBAdaptiveSOM.h

src/algorithms/LBFuzzyAdaptiveSOM.h

src/algorithms/LBFuzzyGaussian.h

src/algorithms/LBMixtureOfGaussians.h

src/algorithms/LBP_MRF.h

src/algorithms/LBSimpleGaussian.h

src/algorithms/MultiCue.h

src/algorithms/MultiLayer.h