Merge commit 'tor-0.2.1.19' into debian-merge

* commit 'tor-0.2.1.19':
  bump to 0.2.1.19
  document my new relay-early behavior
  Changing MaxAdvertisedBW may not need a republish
  Write fingerprint to file and log without spaces
  Don't leak memory if we get too many create cells
  three hacks to workaround bug 1038