Ajout des nouvelles classes et de leurs attributs.

+package org.legrog.entities;
+
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+/**
+ * Classe des actions possibles.
+ */
+public class Action {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private int actionId;
+
+    private String actionName;
+}
\ No newline at end of file

+package org.legrog.entities;
+
+import javax.persistence.*;
+import java.sql.Timestamp;
+
+/**
+ * Classe des actions sur des (versions d') éditeurs.
+ */
+public class PublisherAction {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private int publisherActionId;
+
+    @ManyToOne
+    private Action action;
+    @ManyToOne
+    private User publisherActionAuthor;
+    @ManyToOne
+    private PublisherVersion publisherVersion;
+
+    private Timestamp publisherActionDatetime;
+
+    // Accessible par publisherVersion, demande spécifique de la MOE
+    @ManyToOne
+    private Publisher publisher;
+
+}