1) to install:
do 'javac TorrentCrawler.java'
2) to run:
store a Torrent file in the same folder;
do 'java TorrentCrawler measure_period "Torrent file name"'
e.g. java TorrentCrawler 600000 "Flirting+with+40+1337x-X.avi.torrent"
