Power restore test policy

Changes:
    - Moved extended/test_power_restore.robot to
      CT directory tests/test_power_restore.robot
    - Replaced PDU reset with BMC reboot
    - Grouped policy test cases by functionality
    - Minor documentation changes and spacing fixes.

Resolves openbmc/openbmc-test-automation#518

Change-Id: If06f4ee6b4389da96776b10bf83cf90feff88210
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
2 files changed