EZP-21648: added priority and is_hidden columns to eznode_assignment table
EZP-21648: persist priority and is_hidden to node assignment
EZP-21648: use priority and is_hidden when creating Location from node assignment
EZP-21648: fixed hardcoding of sort field and order in node assignment
EZP-21648: calculate visibility when creating Location from assignment
EZP-21648: updated gateway tests for new eznode_assignment columns
EZP-21648: tested creating main Location from node assignment
ETP-21648: tested Location visibility when creating from assignment
EZP-21648: update integration test to check all created Location properties
Merge pull request #536 from ezsystems/fix-EZP-21648-location-priority

Fix EZP-21648: when publishing Content with Location some Location create struct properties are not respected