v2.3.7

New testing release.

• [fix] Save LDAP database when switching to MDB (bugfix #169)
• [fix] Review LDAP backup and restore hooks
• [enh] new command to generate DNS configuration for a given domain name
• [enh] Replace msignals.display by logging in backup category
• [enh] Add a ynh_app_setting_delete helper
• [enh] Update rmilter hook and dependencies for 1.7 release
• [enh] Set minimum uid and ignore local users in nslcd.conf
• [enh] Use a common function to retrieve app settings
• [enh] Check the slapd config file at first in conf_regen
• [fix] Validate arguments and app settings in app_map (bugfix #168)
• [fix] Replace udisks-glue by udisks2 and only suggest it
• [fix] Correct condition syntax in metronome conf_regen hook
• [fix] Allow false and 0 as non-empty values for an app argument
• [fix] Some improvements and fixes to actions related to app access
• [fix] Remove old services and add rmilter/rspamd
• [fix] Correct log file of yunohost-api in services.yml
• [i18n] Use named variables in app category translations