cdist 6.4.0 has been released

[Darko Poljak]

Hello .*,

cdist 6.4.0 has been released with the following changes:

        * Type __consul_agent: Don't deploy init script on Alpine anymore, it ships with one itself (Nico Schottelius)
        * Type __install_chroot_umount: Bugfix: type was not using __chroot_umount/manifest (Steven Armstrong)
        * Types __postgres_*: Use double quoted identifiers in generated SQL (Timothée Floure)
        * Core: Add cdist info command (Darko Poljak)
        * New types: __mysql_user, __mysql_privileges (Ander Punnar)
        * Type __mysql_database: Rewrite (Ander Punnar)

Notice there is new cdist command, `cdist info`, suitable for getting info about global explorers and types.

```

$ cdist info -h
usage: cdist info [-h] [-a] [-c CONF_DIR] [-e] [-F] [-f] [-g CONFIG_FILE] [-t]
                  [pattern]

positional arguments:
  pattern               Glob pattern.

optional arguments:
  -h, --help            show this help message and exit
  -a, --all             Display all info. This is the default.
  -c CONF_DIR, --conf-dir CONF_DIR
                        Add configuration directory (can be repeated).
  -e, --global-explorers
                        Display info for global explorers.
  -F, --fixed-string    Interpret pattern as a fixed string.
  -f, --full            Display full details.
  -g CONFIG_FILE, --config-file CONFIG_FILE
                        Use specified custom configuration file.
  -t, --types           Display info for types.
```

Darko