add one workload whose distribution is summarized from two week's tra…

…ce on ASUS WebStorage

Signed-off-by: ywang19 <[email protected]>

update version to 0.4.1

Signed-off-by: ywang19 <[email protected]>

fix issue 198 - afr

update the sample of storage policies section

Merge pull request intel-cloud#181 from intel-cloud/0.4.0.0

merge commits from 0.4.0.0

Merge pull request intel-cloud#179 from Cxquan/0.4.0.0

change default value of AFR for normal work to 200000 (in millionth), which means normal work can tolerate 20% failure rate by default.

Merge pull request intel-cloud#150 from cvedel/httpauth-fixes

small fixes to httpauth

update CHANGELOG to v0.4.0 alpha 1

v0.3.3.0 release

a few modifications:

    - fix the handling of zero percent ratio, previous handling can well
      handle the case if workload file is loaded from external.
    - modify the stage identifier to "s" plus stage index plus stage name.
    - fix the scality adapter version
    - minor typo corrections