Hey Branan,
Sorry to bother you again. Unfortunately, I had to wipe my HD to set up a dual boot with Windows. I was successful with the dual boot. I re-installed Blender 2.58 (running under the same Mint 12 as last time) using the Package Manager, then I ran your script. I see the Plasma Development Environment in my addons list under User Preferences, but it stays greyed out when I click on the checkbox to enable the addon. Any idea what might be the problem? In home/.blender/2.58/scripts/addons there is a link to the addon in the .pyprp folder. In usr/lib/blender/scripts/addons/ it's not there.
Any additional help would be most appreciated!