add missing / in tagcollector name in message fix #1015
use PRODCOMMON_0_12_18_CRAB_60. FIxes #982 and update Arc code from Erik E.
fix for #978
expert switch to publish in DBS3 int/dev. Fixes #1017
flag when there's nothing to publishes. #1018
Merge pull request #1019 from belforte/master

fixes  #978 #982 #1015  #1017 #1018 and update ARC local submitter