A Central Coast resident is celebrating her 100th birthday.Community members gathered at Graceful Living a care home in Arroyo Grande for a lunch and celebration for Elene Campbell.Campbell is one of five sisters and lived in Santa Barara for roughly 50 years.Her niece Rebecca Greto says she is also a gardener and had a rose garden with every type of rose one could think of.Greto says she thinks her community service has kept Campbell young.Her …