added launch script CP -> Relay -> Tracker -> Merger
enhancing the launch script for HLT TPC processing topology: bypass options for relays and tracker, node list defined in subsidiary script, some minor bugfixing to increase robustness
formatting without functional changes
Use optional(per socket) rate logging.
Track and display number of arrived event parts on the EPN.
Fix bug in buffer sizes.
Use sampler to send only sync signal.
implement buffer on the EPNs for collecting full time frames out of parts received from FLPs
configure EPN buffer timeout for throwing out incomplete timeframes
changes to work with cluster2tracker