GitLab

* renamed helper folder to helpers

* added library dependencies check

* made notebook example interactive

* cleanup

* Added License information in Readme.MD

* quick fix for better understanding

* update document for forced split

* typo fix

* made NOTE bold

* made Note bold

* adding plot example ipynb

* moving notebook to its own notebook folder

* rename notebook folder and ipynb to lowercase and snake case

* fixing importerror, version strings, file imports, printing-->plotting

* removing missed f-string modifier

* add option to disable openmp in python package build

* fix pylint

* add pandas_categorical to returned json

* save pandas_categorical to model file

* added regression test

* removed excess conversion to list

* removed deprecated line

* hotfix

* sort package installation

* speed up the build

* remove gpu docker

* add boost ppa

* remove duplicate installs

* Update test.sh

* conda install mkl qt

* addd windows

* Update .vsts-ci.yml

* fix gpu boost

* removed misleading note about best_iteration

* Update engine.py

* Update Python-Intro.rst

* Updated Engine.py

* Updated Python-Intro.rst

* add article 'the best', break huge line and remove excess empty line

* added docstring style test and fixed errors in existing docstrings

* hotfix

* hotfix

* fix grammar

* hotfix

* downgrade Xcode version on Azure

* fixed docs and warning

* break huge lines in sklearn tests

* break huge line in plotting tests

* break huge lines in basic tests

* multiple enhancements in engine tests

* multiple enhancements in sklearn tests

* hotfixes

* break huge lines and use with statement in C API test

* make NDCG test more strict

* use new keywords

* fix conda install

* try to fix conda

* conda

* fix ndcg consistency.

* more stable sorts

* Update gbdt_model_text.cpp

* Update dataset.cpp

* Update gbdt_model_text.cpp

* Fixed some typos in Python API Docs

* FixTypo changed validation set -> sets

* average predictions for constant features

* fix possible numerical issues in std::log.

* fix pylint

* fix bugs in c_api

* fix styles

* clean code for multi class

* rewrite test

* fix pylint

* skip test_constant_features

* refine test

* fix tests

* fix tests

* update FAQ

* fix test

* Update FAQ.rst

Signed-off-by: Marcela Morales Quispe <marcela.morales.quispe@gmail.com>