root route should go at the *top* of the routes file, because it is the most popular route and should be matched first

The redirect routing method now allows for a hash of options which only changes the relevant parts of the url, or an object which responds to call can be supplied so common redirect rules can be easily reused. This commit includes a change where url generation from parts has been moved to AD::Http::URL as a class method.

Dynamically generaeted helpers on collection should not clobber resources url helper [#6028 state:resolved]