fixed key for old/new num partitions
Merge branch 'stram_errors.MLHR-1132' into dt-dev
rm unused event-item
check for unifier in logical op link
Merge branch 'dt-dev' into check_ops_stram_events.MLHR-1185
MLHR-1185 #resolve
Merge pull request #27 from DataTorrent/check_ops_stram_events.MLHR-1185

Check existence of operators from Stram Events