1. fix bias_attr to False for conv of PatchEmbed;
2. support return_tokens_mean for Head of CLIP;
3. support remove_cls_token_in_forward for CLIP;
4. support head_init_scale argument for ViT backbone;
5. support get_num_layers() and no_weight_decay() for ViT backbone.

add cooldown config

update optimizer

fix ParamAttr & update  test_tipc

fix tipc

update tipc config

remove docs of `_make_divisible`

refactor the implementation of "no weight decay"

fix model name

remove cooldown config

This reverts commit 97935164.

This reverts commit d3941dc1.

This reverts commit 40085883.

This reverts commit 392b75b1.