Merge pull request #36 from nickkaranatsios/master

cleanup of multiwrite call.
WIP: adding addVertices() method
merge local changes with build - multiwrite cleanup
WIP: adding addVertices() method
Merge branch 'master' of github.com:yoshitomo0912/blueprints-ramcloud-graph
Merge branch 'master' of https://github.com/yoshitomo0912/blueprints-ramcloud-graph
WIP: adding addVertices(), addEdges() and setProperties() methods to RamCloudGraph class
merge setVertices code
use multi-write for addVertex() and addVertices()
Merge branch 'master' of https://github.com/effy/blueprints-ramcloud-graph
Merge pull request #37 from effy/master

adding addVertices(), addEdges() and setProperties() method to RamCloudGraph class
use Tub<MultiWriteObject> instead of array in multiWrite
Merge pull request #38 from effy/master

use Tub<MultiWriteObject> instead of array in multiWrite
add PerfMon for multiWrite()
Merge pull request #39 from effy/master

add PerfMon for multiWrite()
Merge branch 'master' of https://github.com/yoshitomo0912/blueprints-ramcloud-graph
add PerfMon output for multiwrite
Merge pull request #40 from effy/master

add PerfMon output for multiwrite
Merge branch 'master' of https://github.com/yoshitomo0912/blueprints-ramcloud-graph
fix memory leak problem