activate_by_file (Merb::Slices)

    # File lib/merb-slices/module.rb, line 115
          def activate_by_file(slice_file)
            Merb::Slices::Loader.load_classes(slice_file)
            slice = register(slice_file, false) # just to get module by slice_file
            slice.load_slice # load the slice
            Merb::Slices::Loader.reload_router!
            slice.init     if slice.respond_to?(:init)
            slice.activate if slice.respond_to?(:activate) && slice.routed?
            slice
          rescue
            Merb::Slices::Loader.reload_router!
          end