Added tabular reporting, using Python tabulate module, for Topology and
FlowProgrammer API sets
Added another column to the Report table
Added some PrettyReporting functions to generate a friendly Table of the
Test cases executed
Fixed review comment from Yogesh
Added tabular reporting, using Python tabulate module, for Topology and FlowProgrammer API sets

Summary:
Depends on D123
Added another column to the Report table

Added some PrettyReporting functions to generate a friendly Table of the Test cases executed

Test Plan:
  - Tested by running OpenDaylight Controller on local machine with mininet

  - Tested by running OpenDaylight Controller on local machine without mininet

Reviewers: yogesh

Reviewed By: yogesh

Differential Revision: http://phabricator.ah.zymrinc.com/D1
Fixing Lint warning spewed out by Phabricator's PEP8 Linter

Summary: Fixed Lint warnings

Test Plan: Tested with arc lint

Reviewers: yogesh

Reviewed By: yogesh

Differential Revision: http://phabricator.ah.zymrinc.com/D2
Merge pull request #3 from Raseel-zymr/master

Pretty Reporting