Change default width for images output by text2image
Change default width for images output by text2image

Fixes
Image too large to learn!! Size = 2594x48
Image not trainable

See https://github.com/tesseract-ocr/tesseract/issues/590#issuecomment-271244655
for related discussion
UB-Mannheim/tesseract,tesseract-ocr/tesseract,amitdo/tesseract,tesseract-ocr/tesseract,amitdo/tesseract,tesseract-ocr/tesseract,jbarlow83/tesseract,UB-Mannheim/tesseract,tesseract-ocr/tesseract,jbarlow83/tesseract,stweil/tesseract,jbarlow83/tesseract,stweil/tesseract,amitdo/tesseract,tesseract-ocr/tesseract,amitdo/tesseract,jbarlow83/tesseract,stweil/tesseract,stweil/tesseract,amitdo/tesseract,jbarlow83/tesseract,UB-Mannheim/tesseract,stweil/tesseract,UB-Mannheim/tesseract,UB-Mannheim/tesseract