Import autogenerated JPA entities.

Adds JPA entities generated by IntelliJ for all existing tables in the
database.

Change-Id: Iac957b5d68ce45328db87487f105522f8595e124
diff --git a/src/main/scala/eu/mulk/entity/ArticleBranchTipPK.java b/src/main/scala/eu/mulk/entity/ArticleBranchTipPK.java
new file mode 100644
index 0000000..bab4247
--- /dev/null
+++ b/src/main/scala/eu/mulk/entity/ArticleBranchTipPK.java
@@ -0,0 +1,32 @@
+package eu.mulk.entity;
+
+import java.io.Serializable;
+import java.util.Objects;
+import javax.persistence.Column;
+import javax.persistence.Id;
+
+public class ArticleBranchTipPK implements Serializable {
+
+  private int articleId;
+  private int revisionId;
+
+  @Id
+  @Column(name = "article", nullable = false)
+  public int getArticleId() {
+    return articleId;
+  }
+
+  @Id
+  @Column(name = "revision", nullable = false)
+  public int getRevisionId() {
+    return revisionId;
+  }
+
+  public void setArticleId(int articleId) {
+    this.articleId = articleId;
+  }
+
+  public void setRevisionId(int revisionId) {
+    this.revisionId = revisionId;
+  }
+}