Fix/optimizely personalization campaign#1463

Matus Tomlein (matus-tomlein) merged 3 commits intosnowplow:fix/optimizely-personalization-campaign-idsnowplow/snowplow-javascript-tracker:fix/optimizely-personalization-campaign-idfrom

JamesShebester:fix/optimizely-personalization-campaign-idJamesShebester/snowplow-javascript-tracker:fix/optimizely-personalization-campaign-idCopy head branch name to clipboard