Revert "fcron: move fcrontab to install[root-files]"

This reverts commit 250acbb2584929433df24111dbfe7b43c94fa975.
fcron: rename fcronreset => fcron-tool
fcron[fcron-tool]: main-ified
fcron[fcron-tool]: dont re-run whole script as root, use sudo instead
fcron[fcron-tool]: pull reset() to a sub
fcron[fcron-tool]: implemented get/put/edit for ~/.fcrontab <=> /etc/fcrontab
fcron[fcron-job-toggle]: rename fcronjob => fcron-job-toggle
fcron[fcron-job-toggle]: ensure-root
fcron: fcronreset => fcron-tool --load
fcron[fcron-tool]: always reload after --put
fcron[fcron-job-toggle]: fcron-tool --get as SUDO_USER after running
install[sudoers]: remove alarm, alarm-fcron, and fcronreset from sudo nopasswd
install[sudoers]: fcronjob => fcron-job-toggle
taffybary[fcrondyn]: use fcron-tool to edit fcrontab