fixed #390 by introducing new rotate_image flag
fixed #390 by introducing new rotate_image flag

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