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There is some misleading text.
Co-authored-by: Jinjing Zhou <VoVAllen@users.noreply.github.com>
Co-authored-by: Minjie Wang <wmjlyjemaine@gmail.com>

* Update heterograph.py

* remove unit tests

* replace tutorial

* reorg

* change titles

* rm some stale API doc; minor fix

* fix docs

* add warning

* rm new-tutorial run in ci

* lint

* Generate vocabulary from a new dataset

* CI"

* patched 1_first

* done 2_basics

* done 4_batch

* done 1_gcn, 9_gat, 2_capsule

* 4_rgcn.py

* revert

* more fix

Grammar and style updates

* fix rgcn tutorial

* small fix

* upd

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

* change urls to dmlc

* improve capsule tutorial with jinyang

* fix wrong layout of second-level tutorial

* delete transformer

* fix dgmg tutorial indentation

* bug in incidence_matrix docstring

* remove print

* rgcn tutorial

* data processing for rgcn

* many fix

* requirements for rgcn tutorial

* fix comments

* description of rgcn dataset

* author

* bug fix

* move all dataset to s3