AUTHORS: Add more contributors
AUTHORS: Add more contributors

and fix typo
tesseract-ocr/tesseract,amitdo/tesseract,tesseract-ocr/tesseract,jbarlow83/tesseract,amitdo/tesseract,UB-Mannheim/tesseract,jbarlow83/tesseract,stweil/tesseract,tesseract-ocr/tesseract,stweil/tesseract,stweil/tesseract,tesseract-ocr/tesseract,jbarlow83/tesseract,UB-Mannheim/tesseract,jbarlow83/tesseract,amitdo/tesseract,jbarlow83/tesseract,UB-Mannheim/tesseract,amitdo/tesseract,UB-Mannheim/tesseract,stweil/tesseract,amitdo/tesseract,UB-Mannheim/tesseract,tesseract-ocr/tesseract,stweil/tesseract