Restore MediaInfo refiner (#494)

* Remove linux libmediainfo files

* Uncomment refine_from_mediainfo call

* Add libmediainfo warning on linux

* Fix warning tooltip from libmediainfo to mediainfo

bazarr/get_subtitle.py

@@ -72,8 +72,8 @@ def get_video(path, title, sceneName, use_scenename, use_mediainfo, providers=No
             video.original_path = original_path
             refine_from_db(original_path, video)
 
-            #if use_mediainfo:
-            #    refine_from_mediainfo(original_path, video)
+            if use_mediainfo:
+                refine_from_mediainfo(original_path, video)
 
             logging.debug('BAZARR is using those video object properties: %s', vars(video))
             return video

views/settings_subtitles.tpl

@@ -37,6 +37,13 @@
                                     </div>
                                 </div>
                             </div>
+                            <div class="collapsed column">
+                                <div class="collapsed center aligned column">
+                                    <div class="ui basic icon" data-tooltip="To use this feature on linux, please install mediainfo and its dependencies." data-inverted="">
+                                        <i class="yellow warning sign icon"></i>
+                                    </div>
+                                </div>
+                            </div>
                         </div>
 
                         <div class="middle aligned row">