Establish some consistency with extension logging. Some extensions use another format:
display_alert "message" "${EXTENSION}" "info"
These were *not* adapted to this new schema.
* using the configured volume group name
* added LVM support
* ensuring /boot never on LVM volume, created hook to setup root device
* preparing root device via extension, not assuming any particular partition for root
* using tab spacing
* using global parameter to require a boot partition
* using boot require, moving cryptroot code to extension
* adds crypt image suffix
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Co-authored-by: rafael <rvalle@privaz.io>
