* Forward-port of the old LDAP sync system
* Need to rename the class to avoid classname conflicts
* Make 'classic' LDAP sync not add surrounding parens to filters that already have them
* Re-work Test LDAP button to return 10 sample users
* Remove useless debugging code
* misc_ldap_fixes: Map location from OU, not group
* misc_ldap_fixes: Ensure ldap is initialised for import
* misc_ldap_fixes: Import Job Title
* misc_ldap_fixes: Import telephone, fix field select from schema
* misc_ldap_fixes: Cleanup login error-handling, fix boolean tests
* - change generatePassword to be more secure (allow duplicate chars)
- move generatePassword from trait to helper
- fix summary output for sync command
* - Don't treat ldap_active_flag as boolean - fixes sync not working at all when ldap field is set
- Sync non activated users (But set activated=0)
* - Read user first before checking against user settings
* Fix failed logins to not throw exceptions
* Add iCheck png files to webpack config (inconsistency for css <> png) and blue.png to public folder
* php 7.3 collect() fix (undefined variable)
* Fix travis ci
* Add iCheck png files to webpack config (inconsistency for css <> png) and blue.png to public folder
* php 7.3 collect() fix (undefined variable)
* change LDAP implementation from model to (singleton) service
* Re-apply check for content in ldap_server variable before parsing
* Update LDAP implementation
* Switch iCheck to minimal as referenced in js
* Don't init on load but on first access via init (returns ldap enabled status)
* Re-Enable notifications
* Re-add missing test target php versions
* Only init() once (singleton class, so ldap variable is already set)
