Merge commit 'tor-0.2.2.14-alpha' into debian-merge

* commit 'tor-0.2.2.14-alpha': (88 commits)
  bump to 0.2.2.14-alpha
  guh. 'git commit' did not do what i expect.
  i'm going to tag 0.2.2.14-alpha tonight
  Rename log.h to torlog.h
  fold in the latest changes
  Remove TODO items that are either done or moved to the tracker
  More gracefully handle corrupt state files.
  Fix unittest failure in bug 1660.
  Make directory mirrors report non-zero dirreq-v[23]-shares again.
  Fix bugs with assuming time_t can be implicitly cast to long
  start an 0.2.2.14-alpha changelog
  Group in torrc is obsolete, so stop checking it
  Make cbt_generate_sample use crypto_rand_double()
  Fix a compile error when building with Libevent before 1.4.5-stable
  Use Libevent 2.0's periodic timers where available.
  Make spec docs reference RFC2119
  Fix typo in tinytest_demo
  Fix zlib macro brokenness on osx with zlib 1.2.4 and higher.
  Log an error if openssl fails to copy a key for us
  Add a function to return a double in range [0,1).
  ...