Completed task: "Issues For a Repository"

This pull request addresses the following issues:

* #8: Create server route for querying getting issues
* #9: Parse data before sending to client
* #10: Create controller for handling issue data on client
* #11: Create factory for getting data on client from server
* #12: Create partial for displaying all issues data on client

The issues page is located at `/#/issues` URL in the browser which hooks to the `/api/issues` endpoint on the server. User must specify the exact repository owner and repository name (case insensitive) before the page displays all issues for the repository. As per the assigned task, only the full list of issue titles are displayed.