Add scrollbar to metadata load screen

Small UI improvements in metadata load screen

cps/static/css/style.css

@@ -103,6 +103,16 @@ input.pill:not(:checked) + label .glyphicon {
 
 .tags_click, .serie_click, .language_click {margin-right: 5px;}
 
+#meta-info {
+    height:600px;
+    overflow-y:scroll;
+}
+.media-list {
+    padding-right:15px;
+}
+.media-body p {
+    text-align: justify;
+}
 #meta-info img { max-height: 150px; max-width: 100px; cursor: pointer; }
 
 .padded-bottom { margin-bottom: 15px; }

cps/templates/book_edit.html

@@ -219,7 +219,7 @@
             </span>
           </div>
         </form>
-        <div>{{_('Click the cover to load metadata to the form')}}</div>
+        <div class="text-center"><strong>{{_('Click the cover to load metadata to the form')}}</strong></div>
       </div>
       <div class="modal-body">
         <div class="text-center padded-bottom">