GitLab

* Fix

1. Fix two typos in gcn.py and gcn_spmv.py
2. Update README

* Fix GCN module

1. Update the outdated graph convolution layer class
2. Fix a bug in the code where dropout never works. Modules like dropout/batch norm depend on whether we are in the training stage or inference stage.

* Fix a bug in dropout

1. dropout depends on nn.Module.training

* Update GCN module

* Fix README

* Fix dropout & remove self.msg_field

* Fix

* Align with TF implementation

* Make g an argument for forward

* Remove features from the argument of GraphConv layer

* Support for create nodes/edges after setting representations

* Remove redundant commit

* Delete test_init_repr.py

* Test case for dynamic addition

* Base 'add_rows' upon 'append'

* Move test function

* Fix

* test by assertion

* changed add_rows to adding blank rows only; adding convert_to to backend

* moving test to basics

* oops mxnet