Added the new pipeline code and the fixed prefix filtering
Updated with attr dedup + active learning
Crowd fix and concurrency fix
Updates to the query interface
Making the graph search go faster
Merge pull request #24 from sjyk/bigpipeline

Bigpipeline, optimizations to the pipeline and dedup
Added spark deploy scripts, with a wrapper script to set AWS credentials for sampleclean.
Readme tweaks.
Switched to sampleclean branch of deploy repo, added ports for security groups.
Suppressing user input to crowd db reset script.
Moved scala webserver default port to not conflict with spark cluster communication.