Merge "Move FileBackendMultiWrite to /libs"

diff --combined autoload.php
index bbde55e,767cb78..0be3539
--- 1/autoload.php
--- 2/autoload.php
+++ b/autoload.php
@@@ -458,7 -458,7 +458,7 @@@ $wgAutoloadLocalClasses = 
        'FileBackendDBRepoWrapper' => __DIR__ . '/includes/filerepo/FileBackendDBRepoWrapper.php',
        'FileBackendError' => __DIR__ . '/includes/libs/filebackend/FileBackendError.php',
        'FileBackendGroup' => __DIR__ . '/includes/filebackend/FileBackendGroup.php',
-       'FileBackendMultiWrite' => __DIR__ . '/includes/filebackend/FileBackendMultiWrite.php',
+       'FileBackendMultiWrite' => __DIR__ . '/includes/libs/filebackend/FileBackendMultiWrite.php',
        'FileBackendStore' => __DIR__ . '/includes/filebackend/FileBackendStore.php',
        'FileBackendStoreOpHandle' => __DIR__ . '/includes/filebackend/FileBackendStore.php',
        'FileBackendStoreShardDirIterator' => __DIR__ . '/includes/filebackend/FileBackendStore.php',
@@@ -584,10 -584,8 +584,10 @@@
        'IEUrlExtension' => __DIR__ . '/includes/libs/IEUrlExtension.php',
        'IExpiringStore' => __DIR__ . '/includes/libs/objectcache/IExpiringStore.php',
        'IJobSpecification' => __DIR__ . '/includes/jobqueue/JobSpecification.php',
 +      'ILBFactory' => __DIR__ . '/includes/libs/rdbms/lbfactory/ILBFactory.php',
        'ILoadBalancer' => __DIR__ . '/includes/libs/rdbms/loadbalancer/ILoadBalancer.php',
        'ILoadMonitor' => __DIR__ . '/includes/libs/rdbms/loadmonitor/ILoadMonitor.php',
 +      'IMaintainableDatabase' => __DIR__ . '/includes/libs/rdbms/database/IMaintainableDatabase.php',
        'IP' => __DIR__ . '/includes/libs/IP.php',
        'IPSet' => __DIR__ . '/includes/compat/IPSetCompat.php',
        'IPTC' => __DIR__ . '/includes/media/IPTC.php',