OAK-1160: Generic interfaces for operation tasks
Default, whiteboard based implementation of RepositoryManagementMBean

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1578807 13f79535-47bb-0310-9956-ffa450edef68
OAK-1160: Generic interfaces for operation tasks
Default implementations of FileStoreBackupRestoreMBean, BlobGCMBean and RevisionGCMBean

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1578808 13f79535-47bb-0310-9956-ffa450edef68