[quickstart.sh] Add version to artifact specifier
[quickstart.sh] Add version to artifact specifier

With LATEST being a special value

basvanbeek/openzipkin.github.io,basvanbeek/openzipkin.github.io,basvanbeek/openzipkin.github.io,openzipkin/openzipkin.github.io,openzipkin/openzipkin.github.io,openzipkin/openzipkin.github.io