mapistore/python: Add new line to an error message
mapistore/sample.py: Fix indentation in Folder.delete()
mapistore/oxio.py: polish log messages and remove obsolete comments
mapistore/oxio.py: Implement get properties for Folder
mapistore/oxio.py: Make more sane properties for subfolders while listing in Hierarchy table
mapistore/python: *_python_get_properties() should allocate in supplied mem_cx

Fix smb_panic() - data parameter may be just a local variable to be
filled in (as it is in the case), but mem_ctx is always the context
we should allocate memory in