GitLab

* python side send_and_recv shortcut

* common util function for c apis

* degree bucketing scheduler

* scheduler c apis

* cmake

* python side logics

* minor

* fix multiple msg/red func cases

* remove shell echo command in Jenkinsfile...

* fuse apply for send_and_recv

* fuse update func for update_all

* typo...

* handle anonymous

* add degree bucketing for entire graph

* degree bucketing executor

* minor

* style

* rename graph_mapping to recv_nodes

* fix some comments