Refactor box plots to use a common class
Refactor box plots to use a common class

RaptorRCX/exercism.io,tejasbubane/exercism.io,tejasbubane/exercism.io,RaptorRCX/exercism.io,tejasbubane/exercism.io,RaptorRCX/exercism.io,RaptorRCX/exercism.io,tejasbubane/exercism.io