Indexing properties should be stored in a distinct subresource to ease configuration inheritance

<replicated-cache-configuration name="indexed-cache" mode="SYNC" start="EAGER" remote-timeout="20000"/>

<replicated-cache name="booksCache" configuration="indexed-cache">
    <indexing index="LOCAL">
         <property name="default.metadata_cachename">indexMetadataBooksCache</property>
         <property name="default.data_cachename">indexDataBooksCache</property>
         <property name="default.locking_cachename">indexLockingBooksCache</property>
         <property name="default.directory_provider">infinispan</property>
         <property name="default.indexmanager">org.infinispan.query.indexmanager.InfinispanIndexManager</property>
         <property name="lucene_version">LUCENE_CURRENT</property>
   </indexing>
</replicated-cache>