BUG-509: Rename StoreMetadataNode.createRecursivelly

This is a rename of StoreMetadataNode.createRecursivelly() to
StoreMetadataNode.createRecursively(), fixing an obvious typo.

Change-Id: I3891459ebae561b89c27438f2e0f187bd7b7c503
Signed-off-by: Robert Varga <rovarga@cisco.com>