Add line about the MaxMind GeoIP database to LICENSE
Add debian directory based on: http://anonscm.debian.org/gitweb/?p=collab-maint/ooni-probe.git
Merge branch 'master' of github.com:TheTorProject/ooni-probe

* 'master' of github.com:TheTorProject/ooni-probe:
  Add logo to README.