added a config file parser
added tracker id
changed WANT_CLOSED_TRACKER and WANT_BLACKLIST into WANT_ACCESS_WHITE and WANT_ACCESS_BLACK
changed WANT_TRACKER_SYNC to WANT_SYNC_BATCH and added WANT_SYNC_LIVE
added an option to switch off fullscrapes
cleaned up many internal hardcoded values, like PROTO_FLAG,
1. stats for added and removed torrents
2. stats for start and stopped events from peers
this should help to detect DoS attacks and is useful for
profiling