XWIKI-19826: Move the old event store to legacy

xwiki-platform-core/pom.xml

...m-api/src/main/java/org/xwiki/eventstream/EventStore.java

...va/org/xwiki/eventstream/internal/DefaultEntityEvent.java

...va/org/xwiki/eventstream/internal/DefaultEventStatus.java

...ava/org/xwiki/eventstream/internal/DefaultEventStore.java

...wiki/eventstream/internal/AsynchronousEventStoreTest.java

...rg/xwiki/eventstream/internal/DefaultEventStatusTest.java

...xwiki/eventstream/store/solr/internal/SolrEventStore.java

...xwiki/eventstream/store/solr/internal/EventStoreTest.java

...c/main/java/org/xwiki/eventstream/EventStatusManager.java

.../eventstream/store/internal/AbstractLegacyEventStore.java

...ications/internal/DefaultCompositeEventStatusManager.java

...ations/script/internal/NotificationScriptEventHelper.java

...on-flavor/xwiki-platform-distribution-flavor-data/pom.xml

...on-flavor/xwiki-platform-distribution-flavor-test/pom.xml