1.9.2 compatibility fix: handle #to_ary calls on Proxy class for #flatten in 1.9.2
1.9.2 compatibility fix: handle #to_ary calls on Proxy class for #flatten in 1.9.2

amclain/yard,lsegal/yard,alexdowad/yard,jreinert/yard,thomthom/yard,iankronquist/yard,ohai/yard,amclain/yard,thomthom/yard,alexdowad/yard,iankronquist/yard,herosky/yard,lsegal/yard,thomthom/yard,amclain/yard,travis-repos/yard,ohai/yard,herosky/yard,iankronquist/yard,herosky/yard,alexdowad/yard,travis-repos/yard,jreinert/yard,ohai/yard,jreinert/yard,lsegal/yard