Parses weechat IRC logs and builds an in-memory graph of Nicks seen.
./nick_normalize <output_type> <logfile>
Where <output_type> is one of the following:
gephi - Outputs /tmp/nodes.csv and /tmp/edges.csv for use with the Gephi graph program.
sigmajs - Outputs a JSON encoded graph for use with the sigma.js graphing library.
aliases - Simply prints aliases and joins to STDOUT. Filters out non-aliased users.
nodes - Prints all nodes to stdout.
edges - Prints all edges to stdout.