KB68 Implement newsletter sending.

Change-Id: I1d56e40d7f35d6be77fde1a1e8519a91bd2dc3b8
diff --git a/src/main/resources/db/changeLog-1.7.xml b/src/main/resources/db/changeLog-1.7.xml
new file mode 100644
index 0000000..8824115
--- /dev/null
+++ b/src/main/resources/db/changeLog-1.7.xml
@@ -0,0 +1,55 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog
+  xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="
+    http://www.liquibase.org/xml/ns/dbchangelog
+    http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.10.xsd">
+
+  <changeSet author="mulk" id="1.7-1">
+    <createTable tableName="newsletters" schemaName="benki">
+      <column name="id" type="INTEGER">
+        <constraints primaryKeyName="newsletters_pkey" nullable="false" primaryKey="true"/>
+      </column>
+
+      <column name="date" type="TIMESTAMP WITH TIME ZONE">
+        <constraints nullable="false"/>
+      </column>
+    </createTable>
+
+    <addColumn tableName="bookmarks" schemaName="benki">
+      <column name="newsletter" type="INTEGER">
+        <constraints foreignKeyName="bookmarks_newsletter_fkey" references="benki.newsletters(id)"/>
+      </column>
+    </addColumn>
+
+    <addColumn tableName="lazychat_messages" schemaName="benki">
+      <column name="newsletter" type="INTEGER">
+        <constraints foreignKeyName="lazychat_messages_newsletter_fkey" references="benki.newsletters(id)"/>
+      </column>
+    </addColumn>
+
+    <addColumn tableName="posts" schemaName="benki">
+      <column name="newsletter" type="INTEGER">
+        <constraints foreignKeyName="posts_newsletter_fkey" references="benki.newsletters(id)"/>
+      </column>
+    </addColumn>
+  </changeSet>
+
+  <changeSet author="mulk" id="1.7-2">
+    <createTable tableName="newsletter_subscriptions" schemaName="benki">
+      <column name="id" type="SERIAL" autoIncrement="true">
+        <constraints primaryKeyName="newsletter_subscriptions_pkey" nullable="false" primaryKey="true"/>
+      </column>
+
+      <column name="start_date" type="TIMESTAMP WITH TIME ZONE" defaultValue="now()">
+        <constraints nullable="false"/>
+      </column>
+
+      <column name="email" type="VARCHAR">
+        <constraints nullable="false" unique="true" uniqueConstraintName="newsletter_subscriptions_email_key"/>
+      </column>
+    </createTable>
+  </changeSet>
+
+</databaseChangeLog>