Bug #6974 - Hitting Cancel button on New Org > Manually Assign page goes...

... to 404 page
I don't think that helper function is available in Foreman, couldn't find it as part of Rails or any gem we use. Whoever wrote this I think meant something like ```eval("#{controller_name}_path".to_sym)``` and that'd work, but :back is simpler and nicer. Merging in 3..2..1.. :bomb: