refactor extract dmain function and chnage logic to submit to categorizer even if
there is not demographic data for the top domain
rolled hand-categorized sites into hostsToCats
Merge remote-tracking branch 'mzhilyaev/test-pilot' into test-pilot
Restore logging and exports from test-pilot branch.
Merge branch 'test-pilot' into test-pilot-study
Spread out computation by delaying longer for the study.
Bump study id and random deployment.