Choreographer Jeanette Stoner, known for her very individual sense of dance/theater, often using the spoken word, will present her Jeanette Stoner and Dancers in two world premieres and repertory, performed by an ensemble of artists who have collaborated with Stoner over the years.   Choreographer Zvi Gotheiner also returns as company lighting designer.   The premieres are "Numinous," a solo for a mysterious figure in a cloud of gold green fabric; and "Stairs," music by Svjetlana Bukvich, which finds a sleeping woman in a net that is suspended from the ceiling, and four men, enacting a ritual, striving to rouse her from a dormant state.