WIP: adding addVertices() method
Merge branch 'master' of https://github.com/yoshitomo0912/blueprints-ramcloud-graph
merge setVertices code
Merge branch 'master' of https://github.com/effy/blueprints-ramcloud-graph
Merge branch 'master' of https://github.com/yoshitomo0912/blueprints-ramcloud-graph
Merge branch 'master' of https://github.com/yoshitomo0912/blueprints-ramcloud-graph
fix memory leak problem
Merge pull request #41 from nickkaranatsios/master

Fix multiwrite memory leak problem