Actually add _vertexId indices to graphs
add vertex centric indices to sort metagraph edges
Refactor the faunus code
graphlab's simple_coloring uses --output instead of --saveprefix
disable some graphlab analytics that don't annotate vertices
Reference Graphlab, Faunus, and Jung on the frontpage
Rename JobMetadata.WAITING to JobMetadata.PENDING
Merge pull request #71 from erickt/graphlab

Refactor Graphlab, and actually add _vertexId indices