GitLab

* add dataZoom for graph

* fix comments- datazoom Y

* fix bug of val bold

* update yarn.lock

NAS refactor merge back to master (DO NOT SQUASH)

* add pruner unit test
* modify pruners compatible with torch0.4.1

* 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