Merge pull request #24 from escherba/ob_affinity

add affinity propagation (really slow :( )
Merge pull request #25 from escherba/ob_affinity

better breakdown of topic quality
Merge pull request #26 from escherba/ob_affinity

fixes to NMF procedure
Merge pull request #27 from escherba/ob_affinity

delete run_topics.sh
Merge pull request #28 from escherba/ob_affinity

allow pooling MAC/Imp tags
Merge pull request #29 from escherba/ob_affinity

better summary for cluster comparisons
Merge branch 'ob_affinity'