layout.rb in rubyvis-0.3.4

- old
+ new

@@ -30,11 +30,13 @@
     end
   end
 end
 
 require 'rubyvis/layout/stack'
+require 'rubyvis/layout/grid'
 require 'rubyvis/layout/network'
 require 'rubyvis/layout/hierarchy'
+require 'rubyvis/layout/tree'
 require 'rubyvis/layout/treemap'
 require 'rubyvis/layout/partition'
 require 'rubyvis/layout/cluster'
 require 'rubyvis/layout/indent'
 require 'rubyvis/layout/pack'