Updated drivers and tests from HA. Changed include:

    - onos-check-logs function
    - remove some print statements
    - create a csv file for jenkin's plugin
    - Add timestamp to long pings
    - Remove cookies from flow table comparison
    - when printing flow tables, check that a correct protocol format is
      given
    - add cli commands for leadership election sample app
    - add command to check that all devices have a masster assigned
Merge pull request #38 from opennetworkinglab/HA-rebase

Ha rebase
Leadership Election HA Tests

    - minor bug fixes
Merge pull request #39 from opennetworkinglab/HA

Ha