1) Phing must be downloaded from https://www.phing.info/ 

2) The phing-latest.phar file should be uploaded to UNA root folder

3)  build.xml along with "tests" folder must be copied from https://github.com/unaio/una and pasted in UNA root folder

4) Run the following command: php phing-latest.phar package_module -Dvendor=modzzz -Dmodule=tutorials

   (where "modzzz" is the vendor name and "tutorials" is the module being packaged)

After Step 4), the zip file for the module will be created in a packages folder (found in your UNA root)

To facilitate the above, I have a local installation of UNA using Ampps