Allow loadkeys to read usr_t files

loadeys loads a keymap from files in /usr.
Debian console-data package installs keymaps in /usr/share/keymaps [1].
Arch Linux kbd package installs keymaps in /usr/share/kbd/keymaps [2].

[1] https://packages.debian.org/sid/all/console-data/filelist
[2] https://www.archlinux.org/packages/core/x86_64/kbd/files/
Module version bump for changes to the loadkeys module by Nicolas Iooss
cron: that boolean identifier does not exist
    also require it