* attempting to fix many of the warnings (sign conversions)

Application/CMakeLists.txt

Application/src/ProcessedVideo/pv.cpp

Application/src/ProcessedVideo/pv.h

Application/src/commons/common/commons.pc.h

Application/src/commons/common/file/DataFormat.cpp

Application/src/commons/common/file/DataFormat.h

Application/src/commons/common/file/Path.cpp

Application/src/commons/common/file/Path.h

Application/src/commons/common/gui/DrawBase.cpp

Application/src/commons/common/gui/DrawBase.h

Application/src/commons/common/gui/DrawCVBase.cpp

Application/src/commons/common/gui/DrawStructure.cpp

Application/src/commons/common/gui/FileChooser.cpp

Application/src/commons/common/gui/Graph.cpp

Application/src/commons/common/gui/Graph.h

Application/src/commons/common/gui/Section.h

Application/src/commons/common/gui/colors.h

Application/src/commons/common/gui/types/Basic.h

Application/src/commons/common/gui/types/Histogram.h

Application/src/commons/common/misc/Grid.cpp