Prebid Universal Creative 1.6.0

🚀 Features

• add winurl support #75
• Mobile native rendering #83

🛠 Maintenance

• Fix ci failing #72
• decoding winurl #80
• Update gulp #68
• Fix for so that the impressionTrackers and jsTrackers are called once per adElement #71
• Gulpfile refactor #84

🐛 Bug Fixes

• Variable doc is not defined (#74)