create Scripts/
optimize readAttributes.py and the relevant part of Badger.py
add new function 'getDatasetNamePrefix' in Badger.py
add two function getDirMetaVal and get FileMetaVal in Badger.py
new function calcCount in Badger.py
recover bug of function reCalcCount and optimize dataset-create script(add 'count' meta)
optimize script dataset-get
optimize auto create DIR function,little change on besdirac-dms-add-files.py
Merge pull request #7 from zhangg/master

change on Badger/