failed to DL ff-v2.3.tgz

cannot DL ff-v2.3.tgz http://fai.cs.uni-saarland.de/hoffmann/ff/FF-v2.3.tgz https://api.travis-ci.org/jobs/31610630/log.txt?deansi=true

server seems to be down

Traceback (most recent call last):
  File "/opt/ros/groovy/share/ros/core/rosbuild/bin/download_checkmd5.py", line 89, in <module>
    sys.exit(main())
  File "/opt/ros/groovy/share/ros/core/rosbuild/bin/download_checkmd5.py", line 61, in main
    urllib.urlretrieve(uri, dest)
  File "/usr/lib/python2.7/urllib.py", line 93, in urlretrieve
    return _urlopener.retrieve(url, filename, reporthook, data)
  File "/usr/lib/python2.7/urllib.py", line 239, in retrieve
    fp = self.open(url, data)
  File "/usr/lib/python2.7/urllib.py", line 207, in open
    return getattr(self, name)(url)
  File "/usr/lib/python2.7/urllib.py", line 344, in open_http
    h.endheaders(data)
  File "/usr/lib/python2.7/httplib.py", line 954, in endheaders
    self._send_output(message_body)
  File "/usr/lib/python2.7/httplib.py", line 814, in _send_output
    self.send(msg)
  File "/usr/lib/python2.7/httplib.py", line 776, in send
    self.connect()
  File "/usr/lib/python2.7/httplib.py", line 757, in connect
    self.timeout, self.source_address)
  File "/usr/lib/python2.7/socket.py", line 571, in create_connection
    raise err
IOError: [Errno socket error] [Errno 110] Connection timed out
make[3]: *** [build/FF-v2.3/unpacked] Error 1
make[2]: *** [jsk-ros-pkg/jsk_common/3rdparty/ff/installed] Error 2
make[1]: *** [jsk-ros-pkg/jsk_common/3rdparty/ff/CMakeFiles/ff_install.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....

jsk-ros-pkg / jsk_common

failed to DL ff-v2.3.tgz #490