Create the social network and initial data set.

1. Connect database
2. Initial social network as dataSet
3. - related function:
4. http://networkx.github.io/documentation/latest/reference/classes.graph.html#networkx.Graph,
5. http://networkx.github.io/documentation/latest/reference/generated/networkx.Graph.add_edge.html?highlight=add_edge#networkx.Graph.add_edge
6. Initial Company information as CompanyDataSet