* refactor: convert validations to modules to prep for gui integration
* accidentally dropped, schema update
* fix accidental output to webui
* mention discovery-wrapper.py and re-arrange.
* refine some fix statements
* rename the Config validation group to Configuration.
* fix some scrutinizer issues
remove as many local functions from validator.php as possible
move extensions from pre-check
remove duplicate timezone check
looks like there is some db schema differences between mariadb 10.1 and 10.2, investigating
* mariadb version diff take2
* Check schema version first for database.
Remove stop to go back to command line for install docs.
Add helpful link when there is no devices added to /addhost
* fix incorrect validation for empty string defaults
* Fix style
* Add additional file permissions checks
* catch exception and fail for invalid timezone
Change visuals a bit.
* add php version warning
* fix space
* feature: bind user for active_directory auth
Optional, allows the use of "remember me", API, and alerting.
* missing global (but still may not be working)
* always return a value from reauthenticate()
* Make sure the ldapbind credentials are correct on reauth.
Do not send output if they are incorrect (use d_echo) this breaks ajax calls, etc.
Add scripts/auth_test.php, to make it easier to debug authentication.
* Refine auth_test.php a bit more
A few small cleanups in other places of the auth
* Add auth_test.php to docs
Some more improvements in the auth_test.php output.
* Update Authentication.md
