Bulk load changes

They include:
- changing workspace folder to /bulkload instead of /user/trafodion/bulkolad.
  so that the same path is used for the 3 environments: dev, test and clusters
- fix for hive/test017 issue which happens when the produced hfiles need to be
  split in odrer to fit inside the regions boudaries of a salted table. fix
  consist in createting the temp space for the processing with the right
  permissions

Change-Id: I34982158ea365c66a76d37e6f1b4919d8fa94932