Pubstwo 995

This is a partial implementation; I've only tested it for persistence of biblio data with the existing pub (#2).
I'm not sure anymore... if we getters returned Date objects, we would have to customize the serialization of pubData.displayToPublicDate prior to posting to the services. Though, I guess we are already customizing the serialization of that property now... this is complicated by the server-side requirement to remove the 'Z' from the displayToPublicDate. I'll talk to Stenich and revisit.