add e remove sib to/from a multi sib
discovery where gkp
Merge branch 'master' of http://github.com/desmovalvo/virtualsib-part2bis

Conflicts:
	manager/lib/requests_handler.py
	publisher/lib/connection_helpers.py
fix
Merge branch 'master' of http://github.com/desmovalvo/virtualsib-part2bis