[Dygraph] trans numpy to paddle in tps

update Readme.md

Fix the link error

update hubserving

 delete lite,slim, iosdemo and android demo of dyrgaph branch for now

fix predict_det

[Dygraph] Fix printing problem when multi-image prediction

update config

[Dygraph] update readme and polish some docs

[Dygraph] add model list doc, update model link in paddeocr.py and update model size in quick start doc