allow to use update_columns for rendering plural associations
allow to use update_columns for rendering plural associations

budree/active_scaffold,budree/active_scaffold,mallikarjunayaddala/active_scaffold,budree/active_scaffold,AlbertoBarrago/active_scaffold,activescaffold/active_scaffold,activescaffold/active_scaffold,AlbertoBarrago/active_scaffold,AlbertoBarrago/active_scaffold,mallikarjunayaddala/active_scaffold,activescaffold/active_scaffold,mallikarjunayaddala/active_scaffold