twister: 0.9.30 -> 0.9.34

From the upstream changelog:

Version 0.9.34:

 * quick fix to "Assertion mapInfo.count" failed, don't mess with these
   addrman structures!

Version 0.9.33:

 * fix serious connectivity problem: not trying to connect to >=0.9.30
   peers with random ports.

Version 0.9.31:

 * backport from upstream (arvidn/libtorrent@677e642):
   fixed uTP vulnerability from

The fixes in 0.9.31 are a bit more serious and it actually contains two
fixes from what I've been able to dig through:

 * https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5685
 * https://www.us-cert.gov/ncas/alerts/TA14-017A



Signed-off-by: aszlig <aszlig@redmoonstudios.org>