Update the page title

putting ng-app on the html element instead of body, and adding a new
service that all the pages can dependency inject.
Alter "Corporate" categories to "Business" ones

to reflect the fact that some contributors in this category (such as fire-
fighters or related) are not necessarily incorporated.
Display the radial (funding) visual, even if the amount is zero

Especially apparent on a search for the campaigns for or against initiative
92. When nothing shows up, it could confuse the user (are we missing the data?)
Merge pull request #101 from paulfred/master

Have the page titles reflect the content of the current page