finetuned traineddata files for tesseract 4.0.0 for testing

• float model
• finetuned with about 10 Non-italic fonts from the list
• finetuned with 3000 iterations from tessdata_best/eng.traineddata
• unicharset has digits 0-9, dash sign and decimal point

• float model
• finetuned with Arial font
• finetuned with 300 iterations from tessdata_best/eng.traineddata
• unicharset has digits 0-9, dash sign and decimal point

• float model
• finetuned with 27 fonts listed in comment
• finetuned with 3000 iterations from tessdata_best/eng.traineddata
• unicharset has digits 0-9, dash sign, decimal point and comma