Merge branch 'master' into configmgr_improvements

Conflicts:
	inc/auth.php
	inc/template.php
	lib/plugins/authad/lang/zh/settings.php
	lib/plugins/authldap/lang/en/settings.php
	lib/plugins/authldap/lang/zh/settings.php
	lib/plugins/authmysql/lang/zh/settings.php
	lib/plugins/config/settings/config.class.php
	lib/plugins/usermanager/admin.php