add tesseract for OCR recognition

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@42945 20353a03-c40f-0410-a6d1-a30d3c3de9de

buildout/software-profiles/tesseract.cfg

+[buildout]
+parts += tesseract
+        tesseract-eng-traineddata
+        tesseract-eng-traineddata-unzip
+
+[tesseract]
+recipe = hexagonit.recipe.cmmi
+url = http://tesseract-ocr.googlecode.com/files/tesseract-3.00.tar.gz
+md5sum = cc812a261088ea0c3d2da735be35d09f
+
+[tesseract-eng-traineddata]
+recipe = hexagonit.recipe.download
+download-only = true
+url = http://tesseract-ocr.googlecode.com/files/eng.traineddata.gz
+md5sum = d91041ad156cf2db36664e91ef799451
+
+[tesseract-eng-traineddata-unzip]
+recipe = plone.recipe.command
+command = gunzip parts/tesseract-eng-traineddata/eng.traineddata.gz -c > parts/tesseract/share/tessdata/eng.traineddata
+update-command = ${:command}
+stop-on-error = yes