fix issue 755; add example config files from tesseract manpage

git-svn-id: http://tesseract-ocr.googlecode.com/svn/trunk@894 d0cd1f9f-072b-0410-8dd7-cf729c803f20
fix issue 582/915

git-svn-id: http://tesseract-ocr.googlecode.com/svn/trunk@895 d0cd1f9f-072b-0410-8dd7-cf729c803f20