Changed default timeout for run-tests.py from 30 to 180 seconds. As e.g. test-http-proxy already takes quite some time (about a minute here) and tests usually should clean up after themselves, the timeout should only be hit in case of other problems.

#header#
    <title>#repo|escape#: #file|escape# history</title>
    <description>#file|escape# revision history</description>
    #entries%filelogentry#
  </channel>
</rss>