GitLab

* first update

* update by folder naming

* add gradient feature selection example

* add examples

* delete unused example

* update by pylint

* update by pylint

* update learnability by info from pylint

* fix pylint in fgtrain

* update fginitlize and learnability by pylint

* update by evan's response

* add gbdt_selector

* update gbdt_selector

* refine the example folder structure

* update feature engineering doc

* update docs of feature selector

* update doc of gradientfeature selector

* update docs of GBDTSelector

* update examples of gradientfeature selector

* update folder structure

* update docs by folder structure

* test pylint

* test

* update by pylint

* update by pylint

* update docs and remove some dependency

* remove unused code

* update by comments

* update by comments

* move the feature selection example path

* delete unused dependency

* modify docs

* "nni_search_space.json" -> "search_space.json"

* unit test for fpgm pruner

* fix gpu script permission issue

* make gpu tool local to user

* Print INFO log in "standalone" mode

* init on importing

* fpgm pruner pytorch and tensorflow 2.0 implementation

api refactor for compression, especially, quantization APIs

* show experiment name in nnictl list

* remove author name in metadata

# docstr/pylint of GP Tuner & CurveFitting Assessor & MedianStop Assessor

* nni installation test pipeline

* trial docstring

* update docstring of batchtuner

* update docstring of batch tuner

* update docstring of evolution tuner

* update docstring and pylint of metis_tuner

* fix pylint related to logger in metis_tuner

* fix pylint

* update

* fix pylint in metis_tuner

* update in networkmorphsim_tuner

* update

* update

* update docstring in hyperopt_tuner

* update batch_tuner

* delete unused space

* update in metis

* update sdk_reference.rst

* update netowrkmorhism

* update networkmorphsim

* update batch_tuner

* update batch_tuner

* update

* update metis

* roll back to print

* update Returns

* update

* delete white space

* Add Docs for Tuning Systems with NNI

* Updates based on comments

* updates

* updates

* updates

* add export doc

* try to fix pipeline

* locate npm and node version

* override with node in local dir

* refactor path set

* fix install SMAC on macOS

* show failed job log

* Refine gitignore

* add newline at the end

* add more environments

Fix pylint errors

* Add comprehensive tests for tuners (#1570)

* refactor