* 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)
* Fixed missing oauth tables during setup.
* WIP New LDAP implementation
* WIP New LDAP implementation
* WIP New LDAP implementation
Merge remote-tracking branch 'origin/WIP_LDAP' into WIP_LDAP
* WIP New LDAP implementation
Added Adldap2 to handle ldap intergration.
* Updated per PR quality review
* Added specific LDAP settings method
* Corrected version number
* Added return documentation
* Added imports
* Changed class to be injected into controller
* Updated with PR suggestions
* Added authentication via Remote User
* - Removed nullable from remote_user settings fileds and used just default values instead
- Removed german translations
- Removed 401 error page and replaced usage with 403 error page as 401 was actual a duplicate of 403
- Replaced usage of $_SERVER['REMOTE_USER'] with Laravels API Request::server('REMOVE_USER')
* - Fixed request usage
