Merge commit 'tor-0.2.2.19-alpha' into debian-merge

* commit 'tor-0.2.2.19-alpha':
  pick a more accurate release date
  bump to 0.2.2.19-alpha
  prepare for our emergency openssl fix release
  Do not set the hostname TLS extension server-side; only client-side
  Fix a unit test broken by fix for 2195
  Add changes file for bug2195.
  Fix logic error in router_dump_router_to_string.
  Add comments to some of the bug2183 fix code
  Generate a router descriptor even if generating an extra-info descriptor fails.
  Do not emit an extra-info-digest descriptor line if the digest is zero.
  Tweak the bugfix for 2183 a bit more.
  new development version
  Don't use log_err for non-criticial warnings.
  Try harder not to exceed the 50 KB extra-info descriptor limit.