* Do not store built artifacts in the Jenkins master
* Add wheel renaming script
* Upload wheels to S3 bucket
* Use env.GIT_COMMIT
* Capture git hash correctly
* Add missing import in Jenkinsfile
* Address reviewer's comments
* Put artifacts for pull requests in separate directory
* No wildcard expansion in Windows CMD
* Add CMake option to use bundled gtest from dmlc-core, so that it is easy to build XGBoost with gtest on Windows
* Consistently apply OpenMP flag to all targets. Force enable OpenMP when USE_CUDA is turned on.
* Insert vcomp140.dll into Windows wheels
* Add C++ and Python tests for CPU and GPU targets (CUDA 9.0, 10.0, 10.1)
* Prevent spurious msbuild failure
* Add GPU tests
* Upgrade dmlc-core
* Fix#4462: Use /MT flag consistently for MSVC target
* First attempt at Windows CI
* Distinguish stages in Linux and Windows pipelines
* Try running CMake in Windows pipeline
* Add build step
