testcase_stats: show progress
    
    Summary:
    Show test type and page counters as a progress indication during
    processing.
    
    Test Plan:
    tested manually, works. looks like this now:
    ```
    Processing type [1/6]: Cloud
    Processing page [1/32]: Test Results:Fedora 24 Rawhide 20151117 Cloud
    Processing page [2/32]: Test Results:Fedora 24 Rawhide 20151120 Cloud
    ...
    ```
    
    Reviewers: adamwill
    
    Subscribers: tflink
    
    Differential Revision: https://phab.qadevel.cloud.fedoraproject.org/D876