DOC: Userguide updated
ENH: Packet monitoring in tracelogs
FIX: Fixed message tracing
ENH: Logging end of receive
DOC: Installation in userguide finished
Started working on a new version of statistics.
Added structure for place events.
added to trace collecting transition fire/finish
add next events for tracing
store the state before merge of new version of tracelogs
WPI: solve the problem with events after quit