It's up to the sysadmin really to deploy the packages (I'm teaching using the IDE in about 6 different computer labs). He really doesn't have time to start picking files out of the directories!
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Did you try an installation from the files on github?