added bfgs minimization
added bfgs minimization

NeoGeographyToolkit/MultipleViewPipeline,NeoGeographyToolkit/MultipleViewPipeline,khusmann/MultipleViewPipeline,khusmann/MultipleViewPipeline,khusmann/MultipleViewPipeline,khusmann/MultipleViewPipeline,NeoGeographyToolkit/MultipleViewPipeline,NeoGeographyToolkit/MultipleViewPipeline,NeoGeographyToolkit/MultipleViewPipeline,khusmann/MultipleViewPipeline