GitLab

* remove loading backend in sse

* build mxnet in a second run

* a third run to fix everything

* fix docstring in sampler

* fix docstring in transformer

* README for doc build

* some reordering and printing

* use filename_pattern instead of ignore_pattern to reduce warning at the cost of redundant work...

* add env var to use mxnet in Jenkinsfile

* remove step 3, it's already fixed by previous commit

* update version; add news.md; modify contributing.md

* change urls to dmlc

* add sse tutorial

* add mxnet tutorial ci

* fix ci

* fix ci

* fix ci

* fix ci

* fix ci

* fix ci

* Fix ci

* Fix ci

* Fix ci

* fix ci

* fix ci

* fix ci

* fix ci

* fix ci

* fix ci

* Fix CI

Fix CI image

* permission fix

* fix a bug in the code.

* small fix

* fix doc

* fix ci

* shorten the iters

* fix

* remove extra file

* add load_backend api to dynamically switch to another backend

* try fix

* fix tutorial

* fix tutorial

* fix bug in tutorial