some new files
add dir newcode
somenew
a
rm a
bedger API and script
something
nothing
get-dataset
upload
del test_path.py
Add DMS.
Merge pull request #23 from zhangg/master

Use new DMS for old DIRAC
use DirectoryMetadata from BESDIRAC.
using BESDIRAC FileCatalogDB.
rename the file catalog name.
rename the class name.
Add __init__.py in BESDIRAC/DMS
Add getServiceOption.
Fix a typo error.