GetNodeById benchmark
Merge pull request #86 from szymonm/randomWalkBenchmark

GetNodeById
Minor change in README
Fixed test graph location.
Remove unnecessary semicolon
Fix typos in the documentation
Add missing documentation to SharedArrayBasedDirectedNode
Merge pull request #87 from daeyun/master

Add missing documentation to SharedArrayBasedDirectedNode, fix typos.
Added a simple finagle web server that uses Cassovary.
Minor update to README
Fixed location.
Minor - typo.
Fix for https://github.com/twitter/cassovary/issues/88