Fixes https://github.com/owncloud/core/issues/8342

fixing unit tests

Add unit tests for arrays and quotationmark

* owncloud/add-xss-tests:
  Remove uneeded newline
  Fix indentation
  Add unit tests for arrays and "

[sharing] allow admin to set default expire date

* owncloud/sharing_set_default_expire_date:
  add setting to set default expire date

This adds one more missing untranslated text from lib/share

Preventing access to the config folder

It isn't uncommon that admins create a backup file of the config (i.e. `config.php.bak`) before performing any changes. This would allow everybody to read the backup of the configuration file which contain several secret and critical values.

I don't believe this is worth a backport or getting added to the installer. It's just a nice to have. People that create public readable backups of their configuration are the one to blame, not us :-)

Also displays the untrusted domain warning in English

only check ldap_errno if an ldap_* function actually fails

fix shift of icons in 'New' menu in IE8/9, fix #7987

Adjust renaming of directories with a dot in name

Directories will not be considered to have an extension, even if a dot is
found.

Stop Scrutinizer being annoyed

But the spaced version looked good!

Stop jsHint being annoyed

These code quality tools are really pestering

Fix error when viewing expired link

Add option to getUsersSharingFile() to get the paths for the shared users

Cache user

LDAP: fix random resets of filter 

Clean up js.js along suggestions from scrutinizer-ci, fixes #8204.

Make lib/** share.php strings extractable for translation

add uncompressed jquery files - fixes #8294

Add new jquery files to exclude list

OC_Util::sanitizeHTML() also supports array but we actually had no unit test for it. Additionally this commit introduces a test for escaping " into "

LDAP: cache display names immediately on retrieval, saves tens of unecessary queries to LDAP server in the share dialog for example

They were not ready for translation as they had no placeholders
and/nor wrapper function to be translated

This should fix: #8011

fix spelling 'Allow user ...' -> 'Allow users ...'

Add key to every contact

keep long file names in one line to not overflow download button on mobile

Use proper JSDoc documentation instead of inconsistent documentation styles

Fix localization issues of files_trashbin