Fix streaming feed close and error message formatting
Fix streaming feed close and error message formatting

ScottLogic/BitFlux,ScottLogic/BitFlux,jdhodges/d3fc-showcase,rjmcneill/d3fc-showcase,djmiley/d3fc-showcase,djmiley/d3fc-showcase,ScottLogic/d3fc-showcase,jdhodges/d3fc-showcase,jleft/d3fc-showcase,rjmcneill/d3fc-showcase,jleft/BitFlux,ScottLogic/d3fc-showcase,djmiley/d3fc-showcase,rjmcneill/d3fc-showcase,jdhodges/d3fc-showcase,jleft/d3fc-showcase,jleft/BitFlux,jleft/d3fc-showcase,ScottLogic/d3fc-showcase