GitLab

* update

* remove kubernetsServer in nnictl

* update document

* update

* add warning to expand relative path

* update doc

* update

* update

* fix doc

* update

* update

* update

* refactor image

* update

* update

* update

* update

* update local demo doc and configuration

* change folder name

* Update tutorial_1_CR_exp_local_api.md

no need to have a new training file

* Delete mnist_gpu.py

no need to have a new training file

* Update config_gpu.yml

no need to have a new training file