Update tesseract man page about both OCR engines in tesseract 4
Update tesseract man page about both OCR engines in tesseract 4

jbarlow83/tesseract,tesseract-ocr/tesseract,UB-Mannheim/tesseract,tesseract-ocr/tesseract,jbarlow83/tesseract,UB-Mannheim/tesseract,tesseract-ocr/tesseract,stweil/tesseract,stweil/tesseract,stweil/tesseract,amitdo/tesseract,UB-Mannheim/tesseract,amitdo/tesseract,jbarlow83/tesseract,UB-Mannheim/tesseract,jbarlow83/tesseract,amitdo/tesseract,amitdo/tesseract,tesseract-ocr/tesseract,stweil/tesseract,jbarlow83/tesseract,UB-Mannheim/tesseract,amitdo/tesseract,tesseract-ocr/tesseract,stweil/tesseract