Testing and deployment pipeline on Heroku and corresponding circle config file.

[lzy7071]

Addressing issue 178.

[coveralls]

Pull Request Test Coverage Report for Build 788

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.1%) to 94.762%

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Files with Coverage Reduction	New Missed Lines	%
src/components/SearchForm/SearchForm.js	1	95.71%
<!--	Total:	1		-->

Totals
Change from base Build 781:	-0.1%
Covered Lines:	992
Relevant Lines:	1006

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💛 - Coveralls