Add support for multiple memcached servers.
Readd support for memcached_server config variable.
change order of issubdirectory() calls to avoid error messages for non-apps
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
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
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
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
Merge pull request #7071 from jcfischer/master

close statement in MimeType detection is executed [#7069]
Merge pull request #7066 from owncloud/check_svg_installed

properly check if pdf and svg modules are installed
Merge pull request #7131 from owncloud/issue/6269

Change MySQL to MariaDB/MySQL in the frontend
Merge branch 'master' into sharing-userspathbug