* add cuda11.4 develop docker

* change default python from 2.7 to 3.7

* change base image for cpu docker

* fix gcc bug

* fix whl package name

* update go version and delete useless package in dockerfile

* fix release18 error

* fix wget sqlite problem

* update go version

* update go version in dev dockerfile

* fix CI error

* install zstd

* fix CI error

* add --no-check-certificate when install go

* python2.7 do not install requirements

* fix CI Coverage error

* coverage==5.5

* fix test_activation ut

* let numpy < 1.22 to pass test_activation_op unittest

* fix test_python_bf16_numpy_datatype unittest

* change paddle-bfloat==0.1.3

* recover version of paddle-bfloat

* support cuda11.2 and using gcc5.4 in cuda10.1

* fix manylinux py36 bug

* support cuda11.2

* fix python36 pip version problem in ubuntu

* save cuda11.0

* update develop whl package name

* distingush cpu and gpu name

* fix ref_gcc

* change whl name

* upgrade gcc 4.8 to 5.4 in ubuntu_dev

* update gcc4.8 to 5.4 in centos

* Upgrade pip from 18.0 to 20.0.1

* change 2.1.0_dev0 to 2.1.0.dev0 in gpu version

* support cuda11 and delete gcc8.2 in cpu version

* change method

* fix pip

* change 11 to 11.0