modilabs/formhub — pull request #1027 by ukanga (2013-03-13 16:42:14+00:00)
Title: Handle large submissions and async zip exports

- Ensure attachments that are sent after initial submission are saved, ODK Collect splits attachments if the total content length is greater than X-OpenRosa-Accept-Content-Length.
- generate zip attachments asynchronous, delete the zip export after a specified period (default 1 hour).

resolves #952.