Merge pull request #4537 from owncloud/no-realpath

Do not use realpath() on includes.

diff --cc apps/files_encryption/tests/crypt.php
Simple merge

diff --cc apps/files_encryption/tests/keymanager.php
Simple merge

diff --cc apps/files_encryption/tests/share.php
Simple merge

diff --cc apps/files_encryption/tests/stream.php
Simple merge

diff --cc apps/files_encryption/tests/trashbin.php
Simple merge

diff --cc apps/files_encryption/tests/webdav.php
Simple merge