Merge branches 'feature/project-export-ui-experimental' and...

Merge branches 'feature/project-export-ui-experimental' and 'feature/project-import' of gitlab.com:gitlab-org/gitlab-ce into feature/project-export-ui-experimental

lib/gitlab/import_export/project_tree_saver.rb

@@ -10,6 +10,8 @@ module Gitlab
       end
 
       def save
+        FileUtils.mkdir_p(@shared.export_path)
+
         File.write(full_path, project_json_tree)
         true
       rescue => e