* fix picodet error in det_keypoint_unite_infer

* Optimize configuration file path

* fix naive-lite-hrnet backbone

* add WiderNaive-18 model

* add LiteHRNet backbone and config .YML

* test lite18-network param

acc is same with ori-model 1. fix default darkpose=ON, 2. += is not inplace

add new keypoint model Lite-HRNet

* add new keypoint model Lite-HRNet

* 1. Add description of network type; 2. use channel_shuffle in ops.py

* use normal to init conv2d

* add network type description

add dark deploy supported, mpii deploy supported;

* add DarkPsoe support

* modify Top-Down bbox_file str to bbox.json

* support no label training

* fix load_crowd

* update to fit rbox

* add empty_ratio

* update configs

* support mask rcnn

* clean drop_empty for mot & keypoint

* refine is_crowd