changed JSBuilder2 to use zenpip

DEMO:
```
# plu@plu-9: curl -L http://zenpip.zendev.org/packages/JSBuilder2.zip -o /tmp/JSBuilder2.zip
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  849k  100  849k    0     0  29.4M      0 --:--:-- --:--:-- --:--:-- 29.6M

# plu@plu-9: ls -l /tmp/JSBuilder2.zip 
-rw-rw-r-- 1 plu plu 870364 Aug  6 17:34 /tmp/JSBuilder2.zip

```