Revert Makefile.am to beta.2
Revert Makefile.am to beta.2

thesserocr needs `osdetect.h'.

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