Added search functionality for freebase with search box on homepage

- restricted searches to companies
- searching freebase and grabbing parent companies
- companies are searched for in NYT
- results are returned in JSON format as follows

results = {
            "gatorade" => { "nyt" => [{date: 090909, title: "title", url: "http..."}, ...], "certifications" = {} },
            "pepsico" =>  { "nyt" => [{date: 090909, title: "title", url: "http..."}, ...], "certifications" = {} },
            "other_parent" =>  { "nyt" => {}, "certifications" = {} }
  }