Fix a bug for listZones and listServiceOfferings for normal user, caused
by a misuse of SearchCriteria class.
CreateNetworkOfferingCmd: Fix correct annotation for serviceofferingId param

Thanks to Hugo for pointing this out: http://markmail.org/thread/gbu4pkanncbe4xqt

Signed-off-by: Rohit Yadav <bhaisaab@apache.org>