Merge commit 'tor-0.2.2.2-alpha' into debian-merge

* commit 'tor-0.2.2.2-alpha': (94 commits)
  downgrade a log severity, since this event has been known
  Update to the "September 4 2009" ip-to-country file.
  bump to 0.2.2.2-alpha
  Revert "Teach connection_ap_can_use_exit about Exclude*Nodes"
  fix grammar / add changelog for the torify commit
  Fix compile on Snow Leopard
  Fix build warnings on OSX 10.5.8
  Change the condition on the nonlive timeout counting.
  Add a couple of time helper functions.
  Fix typos and comments, plus two bugs
  Implement and document new network liveness algorithm.
  Fix some precision-related asserts in unit tests.
  replace contrib/auto-naming with a readme saying where it went
  clarify our rules for assigning the Named flag
  disable the end of circuitbuildtimeout units tests
  draw in a lot of 0.2.1.20 changelog items into 0.2.2.2-alpha
  Fix compile on freebsd
  Let our config abbreviations rewrite more than once
  a mish-mash of stuff in my sandbox
  give proposal 151 a changelog and other touchups
  ...