Revert interface change in Cucumber::Formatter::Console. Fixes #893.

Change Console.print_stats back to expecting features and options as
arguments. Instead introduce Console.print_statistics for use in new
formatter API formatters, where LegacyApi::Ast::Features cannot be used.

lib/cucumber/formatter/console.rb

@@ -76,7 +76,12 @@ def print_elements(elements, status, kind)
         end
       end
 
-      def print_stats(duration, options)
+      def print_stats(features, options)
+        duration = features ? features.duration : nil
+        print_statistics(duration, options)
+      end
+
+      def print_statistics(duration, options)
         failures = collect_failing_scenarios(runtime)
         if !failures.empty?
           print_failing_scenarios(failures, options.custom_profiles, options[:source])

lib/cucumber/formatter/pretty.rb

@@ -240,8 +240,7 @@ def cell_prefix(status)
       end
 
       def print_summary(features)
-        duration = features ? features.duration : nil
-        print_stats(duration, @options)
+        print_stats(features, @options)
         print_snippets(@options)
         print_passing_wip(@options)
       end

lib/cucumber/formatter/progress.rb

@@ -46,7 +46,7 @@ def done
       def print_summary
         print_steps(:pending)
         print_steps(:failed)
-        print_stats(@total_duration, @options)
+        print_statistics(@total_duration, @options)
         print_snippets(@options)
         print_passing_wip(@options)
       end