Kill legacy code master

Use proper PHPDoc and variable names in the LDAP lib

adding X-Robots-Tag to all responses of ownCloud + move addSecurityHeade...

Make logger available in the container

adding X-Robots-Tag to all responses of ownCloud + move addSecurityHeaders() to OC_Response, which seems to be a more reasonable place

File list sorting by clicking on column headers

Harden issubdirectory()

$owner is not defined here

Better appframework controllers

Port database layer from appframework to core

reduce multiselect max-width from 400 to 200px to not take too much space

add test for not failing when adding more comments after type parameters, do not limit x-www-form-urlencoded to POST

Add cors middleware

realpath() may return false in case the directory does not exist since we can not be sure how different PHP versions may behave here we do an additional check whether realpath returned false

Fixes https://github.com/owncloud/core/issues/8539

I guess that should be `default` and not `defautl`, wondering how this ever worked.