GitLab

* add different tuner config files for config_test

* change MetisTuner config test due to no lightgbm python module in integration test

* install smac package in azure-pipelines

* SMAC need swig to be installed

* Try to install swig from source code

* remove SMAC test because the dependency can not be installed

* use sudo to install the swig

* sleep 10s to make sure the port has been released

* remove tuner test for networkmorphism because it uses more than 30s to release the tcp port

* word "down" to "done"

* add config test for Curvefitting assessor

* change file name

* Fix data type not match bug

* Optimize MetisTunner

* pretty the code

* Follow the review comment

* add exploration probability

* Avoid None type object generating

* fix nnictl log trial bug

* rollback chinese doc

* add argument 'experiment' to parser_log_trial and parser_trial_kill

* update doc

* add NASComparison for ResearchBlog

* Fix format of table

* update doc and add index to toctree

* Update NASComparison.md

Slightly change.

* Update NASComparison.md

Add http links in toctree

* Move ResearchBlog to bottom

move ResearchBlog to bottom

* Follow the review comments

* rename the folder name to Blog

* Add Author

* Update index.rst

* Update index.rst