Integrate Selenium

[rmcreyes]

Is your feature request related to a problem? Please describe.
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Seeing as though most of our project is visual, we should have something in CI that tests our project at the browser level.

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Selenium is a potential option, but others are also possible. This issue is a bit open ended in this regard:

• research potential options for browser level testing
• implement testing
• add testing to Travis build

[chuck-sys]

InTeGrAtE SeLeNiUm