Check if :dump_commands_to_rerun_failed_examples exists before calling since it doesn't exist in rspec-core 2.5.x
Check if :dump_commands_to_rerun_failed_examples exists before calling since it doesn't exist in rspec-core 2.5.x

mattsears/nyan-cat-formatter,StevenNunez/nyan-cat-formatter,Brescia717/nyan-cat-formatter,zackexplosion/yee-formatter,bcutrell/football_formatter