Add benchmarks for degree, outDegree, inDegree
Add benchmarks for degree, outDegree, inDegree

dagrejs/graphlib,kdawes/graphlib,leMaik/graphlib,gardner/graphlib,cpettitt/graphlib,gardner/graphlib,leMaik/graphlib,dagrejs/graphlib,dagrejs/graphlib,cpettitt/graphlib,kdawes/graphlib