[VVP] stand alone tool, script updates

1) Validation script updates:
    Various bug fixes and script enhancements

    New tests for:
    R-18683
    R-94669
    R-304011
    R-01455
    R-86476
    R-708564
    R-85734
    R-18683
    R-94669
    R-304011
    R-01455
    R-86476
    R-86476
    R-589037

    Removed tests for:
    R-75202
    R-62954
    R-22441
    R-49177
    R-16576
    R-86237
    R-44491
    R-70757
    R-01896
    R-26124

2) Stand Alone tool introduced
3) Added optional "categories" capability

Change-Id: I193cd5c267750791d97b350e91fc36faa72d8d5f
Issue-ID: VVP-143
Signed-off-by: stark, steven <steven.stark@att.com>