Change-Id: I219eff6241479c3c883c55079b48a88591a2a99d

Change-Id: I2c3b1a7757b0a01b5822b827b3445cd46bdbc57c

The default value for the DOWNLOAD_WARNSIZE setting is 33554432 (32MB).
This patch will double the value. This solves the following warning:

---snip---
WARNING: Received (37889579) bytes larger than download warn size
(33554432).
---snap---

Change-Id: I5be4bcefa6fe2eb474901bb958669978dd6e1fef

Change-Id: Ie87e6c316eecd45006332088912b31809b4c9679

This script crawls all available sites on http://docs.openstack.org and extracts
all URLs. Based on the URLs the script generates a sitemap for search engines
according to the protocol described at http://www.sitemaps.org/protocol.html.

Change-Id: Id7839d2048989da503d31e436455aea9bb4cdc1d