Merge pull request !4637 from liuzhongkai/prelu

Merge pull request !4716 from zhaozhenlong/lite/issue/fix_fp16_transpose

Merge pull request !4726 from 徐永飞/master

Merge pull request !4684 from 治愈系潇洒哥/master

Merge pull request !4713 from wangchangkai/master

Merge pull request !4582 from wanyiming/mod_callback_serial

Merge pull request !4715 from zhoufeng/xiu-ba-ge

Merge pull request !4729 from zhaodezan/master

Merge pull request !4690 from baihuawei/categorical

Merge pull request !4719 from xychow/fix-copyright-in-core

Merge pull request !4413 from caozhou/merge_parameter

Merge pull request !4711 from lyvette/tflite_parser

Merge pull request !4607 from lyvette/master

Merge pull request !4723 from yangzhenzhang/concat-more-than-3-tensors

Merge pull request !4714 from chenzhongming/new_master

Merge pull request !4717 from byweng/fix_error

fix deconv bug

Merge pull request !4712 from peixu_ren/custom_pp_ops

Merge pull request !4422 from xiefangqi/xfq_c++api_randomdata

Merge pull request !4677 from wangminggui/master

Signed-off-by: Nzhoufeng <zhoufeng54@huawei.com>

Merge pull request !4672 from 王东旭/opencl_winograd_optimize

Merge pull request !4671 from 陶云浩/lite

Merge pull request !4687 from vlne-v1/I1QD6E-addn-infer-error

Merge pull request !4678 from yeyunpeng2020/master_cops_3

Merge pull request !4436 from peixu_ren/custom_gpu