removed feature list from README (migrated to issue tickets) and linked known bugs to issue tickets
removed feature list from README (migrated to issue tickets) and linked known bugs to issue tickets

elaOnMars/datawrapper,washingtonpost/datawrapper,elaOnMars/datawrapper,washingtonpost/datawrapper,elaOnMars/datawrapper,washingtonpost/datawrapper,washingtonpost/datawrapper,washingtonpost/datawrapper,elaOnMars/datawrapper,washingtonpost/datawrapper,elaOnMars/datawrapper,elaOnMars/datawrapper