Merge commit 'tor-0.2.2.4-alpha' into debian-merge

* commit 'tor-0.2.2.4-alpha': (49 commits)
  Fix testsuite call.
  bump to 0.2.2.4-alpha
  Don't set unreachable from dirvote unless we've been running a while.
  correct the spec for the stream_bw event.
  fix a bug where we were decrementing the wrong bucket
  remove some dead code. some of it was tickling coverity.
  add blurbs for recent alpha releases
  Fix a memleak when throwing away some build times
  amend changelog for recent commits, plus clean up
  Tweak an assert that shouldn't fire either way.
  Tweak values for when to discard all of our history.
  Remove another overzealous assert.
  try to stem the 'sea of fail'
  fix the wiki link in doc pages. remove obsolete FAQ.
  Ignore one-hop circuits for circuit timeout calc
  Move Tonga to an alternate IP address
  update spec to reflect change in Fast definition
  Move moria1 to a nearby IP address
  Dir auths reject relays running < Tor 0.1.2.14
  Fix 1108: Handle corrupt or large build times state.
  ...