added annotations for dimension_usage and virtual_cube_dimension schema elements
added annotations for dimension_usage and virtual_cube_dimension schema elements
all4miller/mondrian-olap,Contiamo/mondrian-olap,Contiamo/mondrian-olap,jazzido/mondrian-olap,jazzido/mondrian-olap,all4miller/mondrian-olap,rsim/mondrian-olap,jazzido/mondrian-olap,rsim/mondrian-olap