GitLab

* First update to fix two examples

* Update to fix RGCN/graphsage example and dataloader

* Update

* rename

* Update node_classification.py

* more fixes...
Co-authored-by: Minjie Wang <wmjlyjemaine@gmail.com>

* cleaned pl node classification example

* conform to PL's method of updating the dataloader

* update

* lint

* fix test

* fix

* Add pure_gpu example of graphsage

* move to advanced directory
Co-authored-by: Quan Gan <coin2028@hotmail.com>

* huuuuge update

* remove

* lint

* lint

* fix

* what happened to nccl

* update multi-gpu unsupervised graphsage example

* replace most of the dgl.mp.process with torch.mp.spawn

* update if condition for use_uva case

* update user guide

* address comments

* incorporating suggestions from @jermainewang

* oops

* fix tutorial to pass CI

* oops

* fix again
Co-authored-by: Xin Yao <xiny@nvidia.com>