Fix bug 13655

This fixes bug 13655 for tcp and bridge reachability measurements
Add better sanitisation procedure for tor_log
Merge pull request #14 from olliwolli/ticket-13655-fix

Fix bug 13655
Add support for restoring reports from archive
Merge branch 'master' of github.com:thetorproject/ooni-pipeline

* 'master' of github.com:thetorproject/ooni-pipeline:
  Fix bug 13655
Fix import error
Fix cmd line arg length check
It's a tar not just a gzip...
Fix typo
open and close sanitised report
Fix a naming typo
Dear pylint, y u no make help 4 m3z?
Delete public report file on completion.
Update the readme for the pipeline with info from: https://lists.torproject.org/pipermail/ooni-dev/2014-November/000187.html
Fix bug #13801 and use gzip instead of tar for report archival