Merge pull request #26 from zhangg/master

add new files on DMS
Merge pull request #2 from zhangg/master

add new files on DMS
don't use resourceshelper.
Merge branch 'master' of github.com:mirguest/BESDIRAC
Add list dataset.
show datasets.
Add show total.
Add dataset controller.
Show all datasets.
ls dataset in controller.
List the files in dataset.
Add dataset entry in menu bar.
Merge branch 'master' of github.com:mirguest/BESDIRAC
fix the invisible chars.
Add AccountingSystem in BESDIRAC.
Merge branch 'master' of github.com:mirguest/BESDIRAC
Add DataTransfer Type.
Try to Create DataTransfer Type.
add a record.
Try to add accounting for transfer system.