Add default encryption algorithms to input pipelines

The effect is to add default encryption algorithms to the wayf
aggregate (which is not part of the UK federation public API)

See ukf/ukf-meta#243 for details

mdx/common-beans.xml

@@ -1247,6 +1247,7 @@
                 <ref bean="trimImportElementWhitespace"/>
                 <ref bean="stripEmptyExtensions"/>
                 <ref bean="strip_mdui_logo_length"/>
+                <ref bean="uk_add_cbc_encryption"/>
 
                 <ref bean="checkSchemas"/>
                 <ref bean="CHECK_std"/>

mdx/uk/beans.xml

@@ -398,6 +398,8 @@
                 <bean id="scopes_inject" parent="ukf.ScopeInjectionStage"
                     p:members-ref="uk_members"/>
 
+                <ref bean="uk_add_cbc_encryption"/>
+
                 <ref bean="populateItemIds"/>
                 <ref bean="uk_populateIds"/>
                 <bean id="uk_populateFlowConstraints"