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/ArticleRevisionCharacteristicPK.java b/src/main/scala/eu/mulk/entity/ArticleRevisionCharacteristicPK.java
new file mode 100644
index 0000000..5e28967
--- /dev/null
+++ b/src/main/scala/eu/mulk/entity/ArticleRevisionCharacteristicPK.java
@@ -0,0 +1,27 @@
+package eu.mulk.entity;
+
+import java.io.Serializable;
+import javax.persistence.Id;
+
+public class ArticleRevisionCharacteristicPK implements Serializable {
+  private String characteristic;
+  private int articleRevisionId;
+
+  @Id
+  public String getCharacteristic() {
+    return characteristic;
+  }
+
+  public void setCharacteristic(String characteristic) {
+    this.characteristic = characteristic;
+  }
+
+  @Id
+  public int getArticleRevisionId() {
+    return articleRevisionId;
+  }
+
+  public void setArticleRevisionId(int articleRevisionId) {
+    this.articleRevisionId = articleRevisionId;
+  }
+}