Log Message:
Update varnish to 3.0.5.

Changes since 3.0.4:
- A bad interaction between -b, -c and -m in the varnishlog tool
  has been fixed.
- A malformed request could in some configurations lead to Varnish
  crashing has been corrected. This is CVE-2013-4484.
- Duplicate Content-Length headers were in some cases sent to clients
  when streaming is enabled, this has been fixed
- ESI parse errors are no longer printed to standard output.
- Stop segfaulting if the first part of a synthetic page is NULL.