Added expiration time check for member invitation.

Change-Id: Id119811e7cae6e9418d29618bd89e4f6812bc95a
diff --git a/full/src/main/resources/default-config.xml b/full/src/main/resources/default-config.xml
index 625460f..cd52fc0 100644
--- a/full/src/main/resources/default-config.xml
+++ b/full/src/main/resources/default-config.xml
@@ -87,6 +87,12 @@
 		<property name="url" value="${jdbc.url}" />
 		<property name="username" value="${jdbc.username}" />
 		<property name="password" value="${jdbc.password}" />
+		<property name="connectionProperties">
+            <props>
+                <prop key="date_string_format">yyyy-MM-dd HH:mm:ss</prop>
+            </props>
+        </property>
+        
 		<!-- relevant for single connection datasource and sqlite -->
 		<property name="suppressClose">
 			<value>true</value>