Add support for multiple memcached servers.
Readd support for memcached_server config variable.
Also remove the user's home storage from the storage table when deleting a user
Use Cache->clear to cleanup the filecache for removed users
change order of issubdirectory() calls to avoid error messages for non-apps
Revert "Use Cache->clear to cleanup the filecache for removed users"

This reverts commit 5a5b6f187e719e6c0bac5e64c411eb74e6d28389.
Also clean up the filecache table when deleting a storage entry
properly check if pdf and svg modules are installed
close statement in MimeType detection is executed [#7069]

close statement was never executed due to it being after a return
statement.
replace 'size' with 'unencrypted_size' if encryption is enabled
Only add files to file list when uploading to current directory

Fix Issue #6683
Merge pull request #6997 from owncloud/fix_l10n_warnings

change order of issubdirectory() calls to avoid error messages for non-apps
Merge pull request #7112 from owncloud/enc_fix_size_for_shared_files

replace 'size' with 'unencrypted_size' if encryption is enabled
getData() always needs to return an array
Change MySQL to MySQL/MariaDB in the frontend

Fix issue #6269
Fix implied evals and doubled definition of variable

fixes #7119
fixes #7120
fixes #7121
fixes #7122
name users after test
Make google drive client secret and dropbox api secret a password field

Fix issue #5794
Merge pull request #6247 from owncloud/memcached-multiple-servers

Add support for multiple memcached servers.

* owncloud/memcached-multiple-servers:
  Readd support for memcached_server config variable.
  Add support for multiple memcached servers.
Merge pull request #7133 from owncloud/fix-implied-eval

Fix implied evals and doubled definition of variable