"We did it!" was heard behind the curtain following Ballet Hispánico's world premiere of Edwaard Liang's El Viaje (The Journey).  And yes, they sure did in a creatively diverse program at The Joyce through Sunday, March 31. All three ballets explored community.  Notes accompanying El Viaje describe it as an "exploration of identity and the ghosts of a former life."  The ghost is a woman (Melissa Verdicia) in red - the great dance color signifying uniqueness, magic or sensuality.  Here, she is an exile from China and/or Cuba (hence red).  She moves away and occasionally joins male and female dancers dressed in pale colors.  It's apparent she