GitLab

* minor spelling tweaks

* Update CONTRIBUTORS.md

* 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

* tutorial notebook added

* lg tutorial cleaned up

* dataset scaffold

* move dataloader to data

* fix model

* remove todo

* utils seperated

* [model]line graph new implementation + tutorial + binary sub graph dataset

* [tutorial] line graph sphinx scaffold

* [tutorial] lgnn tutorial improved

* [tutorial] remove notebook

* [tutorial] fix lg and gcn links

* [tutorial] fix random seed

* [tutorial]fix

* WIP

* code refactor done

* new mini dataset; remove utils code

* fix

* word fix

* fix link

* minor fix

* minor fix

* minor fix