* optimize unstructured pruner using GMP

* add uniittests for GMP pruner

* add training scripts for fleet and gmp; add conv1x1 pruning

* add conv1x1 pruning to dygraph

* unify hyper parameters across methods and scripts, static graph

* unify hyper parameters across methods and scripts, dynamic graph

* refine test cases

* fix singlecard training in static graph

* refine readmes

* update unstructured pruner api doc static

* update api docs dygraph

* fix bugs in api docs

* rename UnstructuredPrunerGMP to GMPUnstructuredPruner

* fix some format issues

* remove redundant methods/arguments

* description for gmp configs

* fix minor bugs

* fix test cases accordingly
Co-authored-by: Nwhs <wanghaoshuang@baidu.com>

* update quant docs

* Update quantization_api.rst

* fix_docs_nas

* fix_again

* fix_again_
Co-authored-by: Nceci3 <ceci3@users.noreply.github.com>

Co-authored-by: Nceci3 <ceci3@users.noreply.github.com>

* prune the optimizer in dygraph mode

* set opt when initializing pruner

* tests passed locally

* update Chinese docs and tutorials

* refine docs style

* avoid ambiguation in docs

Co-authored-by: Nceci3 <ceci3@users.noreply.github.com>

* Fix code in docs

* Fix code in docs

* update nas and distill docs

* modified README and demo

* Update qat.rst

* Update quantization_api.rst

* Update quant_post_static_tutorial_en.md

* Update quant_aware_tutorial_en.md

* Update quant_aware_training_tutorial.md

* Update quant_aware_tutorial.md

* Update dygraph_quant_post_tutorial.md

* Update quant_post_static_tutorial_en.md

* Update quant_aware_tutorial_en.md

* Update quant_aware_training_tutorial.md

* update the doc of dygraph qat, test=develop, test=document_fix

* up, test=develop, test=document_fix

* update

* update