Added Code Coverage using codecov.io with Travis CI Integration

[reaganiwadha]

Description

I have added a codecov.io integration that gets the coverage data from Travis CI. A badge also have been added to the README.md file to show that the build is passing and the coverage percentage..

Fixes #187 #188

Type of Change:

Delete irrelevant options.

• Quality Assurance

Code/Quality Assurance Only

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

Travis CI Build Log

codecov.io Coverage

Checklist

• tests are included
• My changes generate no new warnings/errors

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@6dff376). Click here to learn what that means.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             master   #186   +/-   ##
=======================================
  Coverage          ?     0%           
=======================================
  Files             ?      7           
  Lines             ?    557           
  Branches          ?     92           
=======================================
  Hits              ?      0           
  Misses            ?    557           
  Partials          ?      0

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