Merge "Create Kafka event relayer"

diff --combined autoload.php
index 582d82b,e941fc1..d3b7ba7
--- 1/autoload.php
--- 2/autoload.php
+++ b/autoload.php
@@@ -357,7 -357,7 +357,7 @@@ $wgAutoloadLocalClasses = 
        'DoubleRedirectJob' => __DIR__ . '/includes/jobqueue/jobs/DoubleRedirectJob.php',
        'DoubleRedirectsPage' => __DIR__ . '/includes/specials/SpecialDoubleRedirects.php',
        'DoubleReplacer' => __DIR__ . '/includes/libs/replacers/DoubleReplacer.php',
 -      'DummyLinker' => __DIR__ . '/includes/Linker.php',
 +      'DummyLinker' => __DIR__ . '/includes/DummyLinker.php',
        'DummyTermColorer' => __DIR__ . '/maintenance/term/MWTerm.php',
        'Dump7ZipOutput' => __DIR__ . '/includes/export/Dump7ZipOutput.php',
        'DumpBZip2Output' => __DIR__ . '/includes/export/DumpBZip2Output.php',
@@@ -397,6 -397,7 +397,7 @@@
        'ErrorPageError' => __DIR__ . '/includes/exception/ErrorPageError.php',
        'EventRelayer' => __DIR__ . '/includes/libs/eventrelayer/EventRelayer.php',
        'EventRelayerGroup' => __DIR__ . '/includes/EventRelayerGroup.php',
+       'EventRelayerKafka' => __DIR__ . '/includes/libs/eventrelayer/EventRelayerKafka.php',
        'EventRelayerNull' => __DIR__ . '/includes/libs/eventrelayer/EventRelayerNull.php',
        'Exif' => __DIR__ . '/includes/media/Exif.php',
        'ExifBitmapHandler' => __DIR__ . '/includes/media/ExifBitmap.php',
@@@ -617,7 -618,6 +618,7 @@@
        'JobQueueFederated' => __DIR__ . '/includes/jobqueue/JobQueueFederated.php',
        'JobQueueGroup' => __DIR__ . '/includes/jobqueue/JobQueueGroup.php',
        'JobQueueMemory' => __DIR__ . '/includes/jobqueue/JobQueueMemory.php',
 +      'JobQueueReadOnlyError' => __DIR__ . '/includes/jobqueue/JobQueue.php',
        'JobQueueRedis' => __DIR__ . '/includes/jobqueue/JobQueueRedis.php',
        'JobRunner' => __DIR__ . '/includes/jobqueue/JobRunner.php',
        'JobSpecification' => __DIR__ . '/includes/jobqueue/JobSpecification.php',