Graduating Master of Fine Arts candidates are performing two new choreographed pieces at the Vanderhoef Studio Theater in the Mondavi Center for the Performing Arts at UC Davis.   Nina Galin’s three-part dance/theater/musical piece, “Jointedness,” is composed of two solo performances and a quartet. According to Galin’s program notes, it explores different senses of “joint” through her “long-term engagement with two literary texts: Shakespeare’s ‘To be, or not to be’ soliloquy from Hamlet, and Rilke’s poem ‘Sense of Something Coming,’ translated by Robert Bly.”   Jess Curtis’ excerpt from “Dances for Non/Fictional Bodies” is an hourlong piece featuring five talented performers, a variety