Fix access to action config settings inside set_defaults:
Fix access to action config settings inside set_defaults:

ActiveScaffold.set_defaults do |config|
  config.list.per_page = 20

AlbertoBarrago/active_scaffold,BookingBug/active_scaffold,budree/active_scaffold,AlbertoBarrago/active_scaffold,woahdae/active_scaffold,asoltys/active_scaffold,asoltys/active_scaffold,vhochstein/active_scaffold,silverpond/active_scaffold,activescaffold/active_scaffold,ajacksified/active_scaffold,AlbertoBarrago/active_scaffold,activescaffold/active_scaffold,budree/active_scaffold,mallikarjunayaddala/active_scaffold,vhochstein/active_scaffold,silverpond/active_scaffold,silverpond/active_scaffold,mallikarjunayaddala/active_scaffold,vhochstein/active_scaffold,BookingBug/active_scaffold,activescaffold/active_scaffold_demo,activescaffold/active_scaffold,woahdae/active_scaffold,ajacksified/active_scaffold,BookingBug/active_scaffold,budree/active_scaffold,activescaffold/active_scaffold_demo,mallikarjunayaddala/active_scaffold