Add sub-folders to monitor folders

An “Add sub-folders” flag was added to monitor folders. After that flag has been checked, the system will perform the capture in the configured folder and in all the sub-folders:

Binarize image for OCR

Binarize image flag was added to perform OCR during processing of capture configuration. After that flag has been checked, the system will convert the image to black and white to perform the OCR, for index recognition and to generate searchable PDF. Thus, OCR recognition becomes more accurate.