use JRuby class loader when establishing Mondrian connection
use JRuby class loader when establishing Mondrian connection

otherwise latest Mondrian version ClassResolver fails to load some Mondrian classes when using mondrian-olap inside OSGi container
all4miller/mondrian-olap,Contiamo/mondrian-olap,jazzido/mondrian-olap,Contiamo/mondrian-olap,rsim/mondrian-olap,jazzido/mondrian-olap,all4miller/mondrian-olap,rsim/mondrian-olap,jazzido/mondrian-olap