To update the plasma start menu `kbuildsyscoca5` needs to be executed. There are several people complaining about missing applications in their plasma start menu. This patch adds a activationScript for plasma, that runs `kbuildsyscoca5` for each user that has `isNormalUser` == `true`.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.