make LbAppInit printout backwards compatible
Make sure that instead of
BrunelInit INFO Memory has changed from 2127824 to 2136144 KB (8320KB, 0.39101%) in last 'Increment':100 events
LbAppInit prints:
BrunelInit INFO Memory has changed from 2127824 to 2136144 KB (8320KB, 0.39101%) in last 100 events