Add flash message styles.
Add flash message styles.

HenryYan2012/fulcrum,privatt/privatt-agile-tracker,DrTom/fulcrum,privatt/privatt-agile-tracker,MikeRuby/fulcrumapp,HenryYan2012/fulcrum,ipmobiletech/fulcrum,PedroFelipe/cm42-central,fulcrum-agile/fulcrum,Codeminer42/cm42-central,DrTom/fulcrum,Codeminer42/cm42-central,Codeminer42/cm42-central,DrTom/fulcrum,nh-platform/demo-fulcrum,MikeRuby/fulcrumapp,fulcrum-agile/fulcrum,Aupajo/fulcrum,fulcrum-agile/fulcrum,privatt/privatt-agile-tracker,KentFujii/fulcrum,nh-platform/demo-fulcrum,ipmobiletech/fulcrum,HenryYan2012/fulcrum,jimbeaudoin/agile-tracker,KentFujii/fulcrum,Aupajo/fulcrum,Aupajo/fulcrum,PedroFelipe/cm42-central,jimbeaudoin/agile-tracker,PedroFelipe/cm42-central,jimbeaudoin/agile-tracker,KentFujii/fulcrum,ipmobiletech/fulcrum,nh-platform/demo-fulcrum