Changelog for boot-66serv

In 2.4.0

Behavior changes:
- devices-crypttab:
  - add dependencies of all devices-xxx services.
  - do not block if lvm crash and warn user.
- local-iptables: stop script is now hardcoded instead of calling a script.
- mount-swap: do not crash if swapon command fail and warn the user.
- local-tmpfiles: do not crash if a files have bad format and warn the user.
- configure script: use zpool cache by default for ZFS_IMPORT variable.
Bug fix:
- local-iptables: fix quotation with the call of the 66-yeller program.
- local-dmesg: fix default options.
- configure script: fix typo of the devices-brtfs name.

Convenient release to update dependencies:
- 66 version v0.5.1.0
- 66-tools version v0.0.6.2
- tty@-66serv version v0.2.0
Documentation fix and update

Bufs fix:
- Remove the check and creation of /sys/kernel/debug/tracing mountpoint. This is done previously by the check and creation of /sys/kernel/debug/ mountpoint.
- local-authfiles:
  - fix the name of the variable to use.
Add documentation.
- The documentation can be installed at compile time with the flags install-html and install-man.
mount-tmp, mount-pts, mount-shm:
- Add lazy umount at @execute field of [stop] section.
tmpfiles.sh:
- update from upstream
New variable FIREWALL:
- This variable replace the IPTABLES and IP6TABLES variables. It allow to choose between iptables, ip6tables, nftables, ebtables and arptables program to set a firewall. Refer to the documentation for further information. For example:
```
FIREWALL=!nftables
```
New services:
- local-nftables, local-ebtables and local-arptables to handle firewall.

Adapt to oblibs 0.0.9.0, 66 0.4.0.0 and 66-tools 0.0.6.0
Bugs fix:
- ZFS_IMPORT valid value
- regex of the LIVE variable at all-Runtime in case of crash
- retrieve all behavior of the system-random service.
all-Runtime services do not crash anymore if a runtime service fails to start. It only warns the user about the state.
Symlink previously at system_administration/ (e.g. /etc/66) is no longer created.
Udevd has its own logger created at the livedir/log/udevd (e.g. /run/66/log/udevd).
configure script now respects the choice about the color set at 66-enable.
According to the 66 >v0.4.0.0, all @build fields were removed. These fields are no longer mandatory.
Reorganize the environment configuration file to be clearer as much as possible for lambda user.

Pass to module type.
A lot of flags were added. Please see configure --help for further details which are self-explanatory.

Fix mount of cgroups and zfs
Update tmpfiles.sh script
Add local-sethostname service: it overwrite /etc/hostname file with the value of HOSTNAME from boot.conf
Ported to 66 version 0.2.1.0: remove @name field