Added support for default value of "Select Pick Up Location" when placing a hold or a storage retrieval request, and driver support for that in VoyagerRestful.
Voyager: Changed '0' to 'user-selected' to indicate that the user needs to select the pick up location.
Merge pull request #110 from KDK-Alli/pickuplocation

Added support for default value of "Select Pick Up Location" when placin...