[now-static-build] Print version of static generator during build (#3068)
[now-static-build] Print version of static generator during build (#3068)

* [now-static-build] Print version of static generator

* Use curl progress bar

zeit/now-cli,zeit/now-cli,zeit/now-cli,zeit/now-cli,zeit/now-cli,zeit/now-cli,zeit/now-cli