Remove Claim class

Author: JeroenDeDauw

RELEASE-NOTES.md

@@ -2,13 +2,18 @@
 
 ## Version 3.0.0 (dev)
 
-* `Statement` no longer takes a `Claim` in its constructor
-* `Statement::setClaim` and `Statement::getClaim` have been removed
-* Removed `ClaimList`
-* Removed `ClaimListAccess`
+* The concept of `Claim` is no longer modelled
+	* The `Claim` class itself has been removed, though `Claim` is now a temporary alias for `Statement`
+	* `Statement` no longer takes a `Claim` in its constructor
+	* `Statement::setClaim` and `Statement::getClaim` have been removed
+	* Removed `ClaimList`
+	* Removed `ClaimListAccess`
 
 ## Version 2.6.0 (dev)
 
+
+## Version 2.5.0 (dev)
+
 * Empty strings are now detected as invalid in the `SiteLink` constructor
 * The `SnakList` constructor now throws an `InvalidArgumentException` when getting a non-iterable input
 * The `AliasGroup::equals` and `Term::equals` methods no longer incorrectly return true for fallback objects

WikibaseDataModel.php

@@ -19,3 +19,5 @@
 		require_once __DIR__ . '/WikibaseDataModel.mw.php';
 	} );
 }
+
+class_alias( 'Wikibase\DataModel\Statement\Statement', 'Wikibase\DataModel\Claim\Claim' );