* API update of video model
* update api and refine bmn dygraph implementation
* refine Readme and config of bmn dygraph
* fix reademe and reader
* fix details

* Rename folder name in PaddleCV
* rename PaddleVideo to video
* rename PaddleGAN to gan
* rename Paddle3D to 3d_vision
* remove PaddleSlim

* Add PaddleDetection/release/0.2 as submodule

* Update link in models/README.md and models/PaddleCV/README.md

* add BSN and BMN models to PaddleVideo

* modify codes to fix metrics evaluation and readme

* add copyright for gen_infer_list.py and modify the content of README

* add BSN and BMN in models/README.md