Added link to code in tensorflow v1

updated readme

Short update about validation set

Added validation set of natural images

Added txt file with image paths and class index

Added update and removed to-do

changed readme

Changed bibtex citation to bibtex standard

Created MIT License

Added bibtex citation

Added arXiv link to paper

added two samples of product decriptions

More description of dataset

changed description of granny smith

Added brief description of how to retrieve data