Merge pull request #298 from cvuong/find-companies

Filter companies
Post rank algorithm
Documentation and tests
Add about page
Company and user guide and images filled in
Hoorah Favicon and title changed
Merge pull request #303 from benrudolph/about-page

(#252) - About page
Merge pull request #304 from benrudolph/favicon

Hoorah Favicon and title changed
Merge pull request #302 from benrudolph/rank-algorithm

(#297) - Rank algorithm
Moved discover companies outside of if_current_company conditional