Creating a new attribute called "displayText" for Backgrid.UriCell, which allows the use of (a) a custom string or (b) a model attribute as the anchor text in place of displaying the full URL
updating example page the added functionality of Backgrid.UriCell->displayText
adding test cases for the changes to UriCell to support a user-defined string as the content of the anchor-tag
Merge branch 'feature/UrlDisplayText'

Conflicts:
	src/cell.js