implementation of backup module needs to reflect latest changes in magnolia and JCR 2.0.

Make sure to re-add the correct dependencies to ee-bundle etc. See MGNLBACKUP-52 .

012-02-14 11:34:06,459 ERROR info.magnolia.module.ModuleManagerImpl : Can't start module backup
java.lang.NullPointerException
at info.magnolia.module.scheduler.SchedulerModule.stopJob(SchedulerModule.java:207)
at info.magnolia.module.backup.BackupModule.start(BackupModule.java:103)
at info.magnolia.module.ModuleManagerImpl.startModule(ModuleManagerImpl.java:391)
at info.magnolia.module.ModuleManagerImpl.startModules(ModuleManagerImpl.java:336)
at info.magnolia.module.ui.ModuleManagerWebUI$1.doExec(ModuleManagerWebUI.java:108)
at info.magnolia.context.MgnlContext$VoidOp.exec(MgnlContext.java:443)
at info.magnolia.context.MgnlContext$VoidOp.exec(MgnlContext.java:440)
at info.magnolia.context.MgnlContext.doInSystemContext(MgnlContext.java:403)
at info.magnolia.module.ui.ModuleManagerWebUI.execute(ModuleManagerWebUI.java:104)