XWIKI-5576: Upgrade to Hibernate 3.6.4.Final

...-activitystream/src/main/resources/activitystream.hbm.xml

xwiki-platform-core/xwiki-platform-oldcore/pom.xml

...e/xwiki-platform-oldcore/src/main/resources/feeds.hbm.xml

...-platform-oldcore/src/main/resources/feeds.oracle.hbm.xml

...xwiki-platform-oldcore/src/main/resources/queries.hbm.xml

...iki-platform-oldcore/src/main/resources/xwiki.db2.hbm.xml

...i-platform-oldcore/src/main/resources/xwiki.derby.hbm.xml

...e/xwiki-platform-oldcore/src/main/resources/xwiki.hbm.xml

...i-platform-oldcore/src/main/resources/xwiki.mssql.hbm.xml

...-platform-oldcore/src/main/resources/xwiki.oracle.hbm.xml

...uration-resources/src/main/resources/hibernate.cfg.xml.vm