docs(ngRoute): change routes property type to correct one

Request Type: docs

How to reproduce: go to http://docs.angularjs.org/api/ngRoute/service/$route in the **Properties** section > **routes**

Component(s): ngRoute

Impact: 

Complexity: 

This issue is related to: 

**Detailed Description:**

documentation for ngRoute says that routes property should be an Array of Objects, but instead it is an Object with Objects as properties

**Other Comments:**