[sports] Big sports structure revamp

This should make scrobbling sports more like tasks.

The root scrobbled items are a little more generic, but
it's easier to see viewing patterns.

vrobbler/templates/base.html

@@ -315,8 +315,7 @@
                             {% for scrobble in now_playing_list %}
                             <div class="now-playing">
                                 {% if scrobble.media_obj.primary_image_url %}<div style="float:left;padding-right:10px;padding-bottom:10px;"><img src="{{scrobble.media_obj.primary_image_url}}" /></div>{% endif %}
-                                <p><a href="{{scrobble.media_obj.get_absolute_url}}">{{scrobble.media_obj.title}}</a></p>
-                                {% if scrobble.media_obj.subtitle %}<p><em><a href="{{scrobble.media_obj.subtitle.get_absolute_url}}">{{scrobble.media_obj.subtitle}}</a></em></p>{% endif %}
+                                <p><a href="{{scrobble.get_absolute_url}}">{{scrobble.media_obj}}</a></p>
                                 {% if scrobble.logdata %}{% if scrobble.logdata.title%}<p><em>{{scrobble.logdata.title}}</em></p>{% endif %}{% endif %}
                                 <p><small>{{scrobble.local_timestamp|naturaltime}} from {{scrobble.source}}</small></p>
                                 <div class="progress-bar" style="margin-right:5px;">