User IUser::getEMailAddress() all over the place

Only return the exact match, when it's allowed

Allow framing 'self'

Replace old config code with usage of proper APIs

This is required by the pdf viewer, since the files app on master uses the AppFramework it had applied the more strict defaults which made it not work on master.

Adding system addressbook for users of this instance - a occ command …

Reduce OC_Config usage in lib/

* replaced by proper public interfaces

Remove OC_Config from app management template

* add unit test for this case

remove old propagation logic

Execute only for web and not for CLI

Ensure trailing slash in URIs

Respect disabled incoming federated shares

Check if rewrite base is set if rewrite is active

Add quota behat test

Add metadata to post delete hooks

Allow DI for OCP\Files\IMimeTypeDetector

Check the expiration date for null

Proposal: add enumeration function to IUserManager which simply calls a callbask for each user in all backends