Add dnet module to the sys.modules
Add commands for building ooniprobe debian package.
Update the debian packaging related files
Only include the GeoIP data file if it does not exist
Update the changelog to fix bug in signing
Install the geoip data files to a different directory
Add two other required dependencies.
Make the defaults paths relative to the ooni home directory.
Automatically determine the test resolvers to use by reading /etc/resolv.conf
Add the mlab default test deck