13.7 Centralization functions
13.7 Centralization functions

Missing functions:

* `igraph_centralization' – not sure if necessary and where those "scores" are
  supposed to come frome
* `igraph_centralization_eigenvector_centrality' because of missing ARPACK options
* `igraph_centralization_eigenvector_centrality_tmax' because of missing
  eigenvector centrality function :)

kaizhang/igraph,giorgidze/igraph