update readme to include new messageStatus state
update readme to include new messageStatus state

researchstudio-sat/webofneeds,researchstudio-sat/webofneeds,researchstudio-sat/webofneeds,researchstudio-sat/webofneeds,researchstudio-sat/webofneeds,researchstudio-sat/webofneeds,researchstudio-sat/webofneeds