also show message for empty display name if change of it isn't allowed

Prioritise Basic Auth header over Cookie

set MySQL autocommit on connection setup

Fix chunked query for tags + unit test

fix typo of blog -> changed to block

check if mimetype is set - fixes #13452

* fixes #13460

Drop the hide and show of new users in user list

Remove stripslashes() from newfolder.php

[trashbin] replace hook with storage wrapper

Fix getItemSharedWithUser for groups

LDAP Wizared: update user or group count only, when the multiselect is closed

Fix filtering for users when $gid is empty

Reuse the array key of mimetypes

fix typo - caused by 3d997e8c

Fix exif orientation for flipped images

fixes #13363

Links:
 * http://www.daveperrett.com/articles/2012/07/28/exif-orientation-handling-is-a-ghetto/
 * Example data: https://github.com/recurser/exif-orientation-examples

fix safari rename button positioning #11348

fix unlocalized favorites browser title and alttext

Previously when $gid was empty the users were not filtered at all. Rendering the search function in the user management pretty useless.

Fixes itself

Skip stray part files during initial encryption

This function is called a lot of times and was really slow before due to not reusing the same array.

Previously when it was called 500'000 times it took about 2seconds, now we're down to 0.2 seconds on my local machine.

Ref https://github.com/owncloud/core/issues/13434

There are a lot of clients that support multiple WebDAV accounts in the same application. However, they resent all the cookies they received from one of the accounts also to the other one. In the case of ownCloud this means that we will always show the user from the session and not the user that is specified in the basic authentication header.

This patch adds a workaround the following way:

1. If the user authenticates via the Sabre Auth Connector add a hint to the session that this was authorized via Basic Auth (this is to prevent logout CSRF)
2. If the request contains this hint and the username specified in the basic auth header differs from the one in the session relogin the user using basic auth

Fixes https://github.com/owncloud/core/issues/11400 and https://github.com/owncloud/core/issues/13245 and probably some other issues as well.

This requires proper testing also considering LDAP / Shibboleth and whatever instances.