markmcb/rails_assviz — pull request #2 by impact11 (2011-11-21 00:00:31+00:00)
Title: Modification to address deprecation of :format and :file in ruby-graphviz:output

See https://github.com/glejeune/Ruby-Graphviz/blob/abd8fc503149d73faa283ff2bdcbaefed039d999/lib/graphviz.rb