fix boxplot on styleguide page to use BoxplotTask model
fix boxplot on styleguide page to use BoxplotTask model

hewtest/chorus,mpushpav/chorus,atul-alpine/chorus,atul-alpine/chorus,mpushpav/chorus,lukepolo/chorus,atul-alpine/chorus,jamesblunt/chorus,jamesblunt/chorus,prakash-alpine/chorus,lukepolo/chorus,lukepolo/chorus,prakash-alpine/chorus,jamesblunt/chorus,mpushpav/chorus,lukepolo/chorus,mpushpav/chorus,atul-alpine/chorus,atul-alpine/chorus,atul-alpine/chorus,lukepolo/chorus,atul-alpine/chorus,prakash-alpine/chorus,prakash-alpine/chorus,mpushpav/chorus,jamesblunt/chorus,hewtest/chorus,jamesblunt/chorus,jamesblunt/chorus,hewtest/chorus,hewtest/chorus,jamesblunt/chorus,hewtest/chorus,lukepolo/chorus,lukepolo/chorus,mpushpav/chorus,hewtest/chorus,hewtest/chorus,prakash-alpine/chorus,mpushpav/chorus,hewtest/chorus