fix broken function getMotifStats
printout the number of occurrences per motif
fix printout headers
optimize memory footprint
avoid using duplicate array
simplified creation of metagraph from a dag
printout numCommits too
fix latex table creation
cleaner code for computing motifs
small fixes
add start- and end- -timestamp fields to metaedge
add layer field to commits
add maxWidth and maxDensity + remove layerSizes in metagraph ; change layerSizes in dag
rename field to endLayer in metaedge
improve results
cleanup and update
get rid of endLayer field in metaedge + add getSpan()
author stats only in results + add commit stats
add allEdges array in motif
improve results