- Moved references to image_mad to datastore_mad. Adjusted installation dirs and source files
- FS driver cp command uses DS_DRIVER_ACTION_DATA message
- New libfs.sh to deal with datastore protocol
- New xpath.rb to get XML elements in shell programs
- Change oned.cong and OpenNebula core files to use DATASTORE instead of IMAGE
- Change mkfs driver function to use the drv action data