Merge branch '4.0.x'

Author: makasim

Resources/doc/cookbook/speed-up-populate-command.md

@@ -7,6 +7,7 @@ Here's some signs, if you spot them consider using the solution from this tutori
   * The command takes enormous amount of time to re-index data.
   * It consumes a lot of memory.
   * It fails here and there because of lucking resources or running out of time.
+  * It fails on some buggy model and you want to gracefully skip it and continue indexing.
 
 This chapter describes a solution that improves the command performance and reduces its time&memory consumption. 
 Instead of doing everything in one single process the populate command delegates work to workers (via [message queue](https://en.wikipedia.org/wiki/Message_queue)).

composer.json

@@ -40,6 +40,9 @@
     "conflict": {
         "symfony/dependency-injection": "<3.3"
     },
+    "suggest": {
+        "enqueue/elastica-bundle": "The bundle adds extra features to FOSElasticaBundle bundle. Aimed to improve performance."
+    },
     "autoload": {
         "psr-4": { "FOS\\ElasticaBundle\\": "" }
     },