GitLab

* Update prerequisites of README

* dependencies for pytorch models

* dependencies for mxnet models

* minor

* [Doc] updated readme

* contribution guide change

* small edits

* add perf #

* Update README.md

* Update README.md

* add others...

* rewrite scalability

* model & code links

* some note for treelstm

* rewrite scalability

* update example readme

* mx example readme

* add results in readme

* mx rgcn readme

* entity classify work for examples

* add loop_msg

* remove wrong assert

* remove one reshape

* add readme

* add MRR

* remove mrr from entity task