Merge branches 'feature/project-export' and 'feature/project-import' of...

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

lib/gitlab/import_export/wiki_repo_saver.rb

@@ -26,7 +26,7 @@ module Gitlab
       end
 
       def wiki_repository_exists?
-        File.exists?(@wiki.repository.path_to_repo) && !@wiki.repository.empty?
+        File.exist?(@wiki.repository.path_to_repo) && !@wiki.repository.empty?
       end
     end
   end