Merge commit 'tor-0.2.2.6-alpha' into debian-merge

* commit 'tor-0.2.2.6-alpha': (79 commits)
  bump to 0.2.2.6-alpha
  remove the 0.2.1.20 debian changelog from master's changelog
  Not everybody likes debugging printfs as much as I
  add the 0.2.1.20 changelog blurb, plus update the releasenotes
  Do not report a partially-successful detached signature add as failed.
  only complain when rejecting a descriptor if it has contact info
  clean up changelog for the 0.2.2.6-alpha release
  Fix compilation with with bionic libc.
  New upstream version
  Fix a memory leak on directory authorities during voting
  Fix building from a separate build directory.
  Add changelog entry to 0.2.2.x about openssl 0.9.8l fix
  Make Tor work with OpenSSL 0.9.8l
  Fix a URL in a log message.
  Implement DisableAllSwap to avoid putting secret info in page files.
  Fix bug 1113.
  Improve log statement when publishing v2 hs desc.
  Fix bug 1042.
  Fix an apparently bogus check; fortunately, it seems to be untriggered.
  Fix an accidentally removed free in 385853a282138a61, and repair a check.
  ...