Clean up files_external

Use transactions when renaming directory contents

Disable autocomplete for SMTP Password

external user app: Add note to enable it first

Updated the media type of some font types

Allow application-specific favicons

Streamline CSRF and login check

Do not change color of 'new' button on hover and make new file menu more consistent with button

Use 403 instead of 200 response

Don't encode url unecessary twice

Reduce log level of bind failed to WARN - fixes  #11624

Catch exception properly

Coherent use of "SQLite" in lines 119 and 124

Coherent use of "SQLite" in lines 159 and 161

Revert "adding OC-ETag header"

In line 161, "SQLite" has now the same capitalisation as in line 159.

Just a cosmetic detail, but very obvious when working on localisations.

Revert "Add OCS sharing info to capabilities"

Add OCS sharing info to capabilities

Fix enc mig user retrieval

[encryption] don't check if we have a valid user during migration

always specify limit, except you do like questionable surprises, part 2

Moved to files_sharing
Added more capabilities.
Tried to order to capabilities more OO style

Don't highly discourage

This reverts commit 96a93192.