Merge pull request #1574 from git/inverse_diff_stat

Inverse diffing direction in diffstat

Author: peff

app/models/doc_file.rb

@@ -60,7 +60,7 @@ def version_changes(limit_size = 100)
           end
           unchanged_versions = []
         end
-        changes << {name: doc_version.name, time: doc_version.committed, diff: doc_version.diff(previous_doc_version), changed: true}
+        changes << {name: doc_version.name, time: doc_version.committed, diff: previous_doc_version.diff(doc_version), changed: true}
       end
     end
     changes