[eng-1626] Allow setting and retrieving valve settings
[eng-1626] Allow setting and retrieving valve settings

paul-e-cooley/elasticsearch-jetty,JoeyJiao/elasticsearch-jetty,whitefoxx/elasticsearch-jetty,whitefoxx/elasticsearch-jetty,JoeyJiao/elasticsearch-jetty,tmayfield/elasticsearch-jetty,tmayfield/elasticsearch-jetty,sonian/elasticsearch-jetty,sonian/elasticsearch-jetty,paul-e-cooley/elasticsearch-jetty