pavement.py: Add download_url
pavement.py: Add download_url

HelioGuilherme66/RIDE,HelioGuilherme66/RIDE,HelioGuilherme66/RIDE,fingeronthebutton/RIDE,caio2k/RIDE,HelioGuilherme66/RIDE,caio2k/RIDE,robotframework/RIDE,robotframework/RIDE,robotframework/RIDE,fingeronthebutton/RIDE,caio2k/RIDE,fingeronthebutton/RIDE,robotframework/RIDE