KB66 Post: Add scope field.

The scope field defines whether a post is a top-level post or a
comment and is used to select posts for the main feed.

Change-Id: I44363e3e67acbecff9844730a513ddb1d554afaf
diff --git a/src/main/resources/db/changeLog.xml b/src/main/resources/db/changeLog.xml
index 7b4b700..88937a3 100644
--- a/src/main/resources/db/changeLog.xml
+++ b/src/main/resources/db/changeLog.xml
@@ -14,5 +14,6 @@
   <include file="db/changeLog-1.5.xml"/>
   <include file="db/changeLog-1.6.xml"/>
   <include file="db/changeLog-1.7.xml"/>
+  <include file="db/changeLog-1.8.xml"/>
 
 </databaseChangeLog>