Updated build.sbt and the dedup code with the graphx stuffs
Integrated attribute deduplication with graphX connected component implementation.
Added GraphX integration code.
Made GraphX connected components work with crowd strategy.
Put back counts into DedupAttr case class so the crowd can sort by priority.
Removing old graph code.
Minor bugfixes.
Reverting change to blocking schema.
Merge pull request #41 from sjyk/graphx_integration

Graphx integration