Tab customization & direct messages tab (#1012)

* custom tabs

* custom tabs interface

* implement custom tab functionality

* add database migration

* fix bugs, improve ThemeUtils nullability handling

* implement conversationsfragment

* setup ConversationViewHolder

* implement favs

* add button functionality

* revert 10.json

* revert item_status_notification.xml

* implement more menu, replying, fix stuff, clean up

* fix tests

* fix bug with expanding statuses

* min and max number of tabs

* settings support, fix bugs

* database migration

* fix scrolling to top after refresh

* fix                                 bugs

* fix warning in item_conversation

app/src/main/java/com/keylesspalace/tusky/adapter/StatusDetailedViewHolder.java

@@ -130,8 +130,8 @@ class StatusDetailedViewHolder extends StatusBaseViewHolder {
     }
 
     @Override
-    void setupWithStatus(final StatusViewData.Concrete status, final StatusActionListener listener,
-                         boolean mediaPreviewEnabled) {
+    protected void setupWithStatus(final StatusViewData.Concrete status, final StatusActionListener listener,
+                                   boolean mediaPreviewEnabled) {
         super.setupWithStatus(status, listener, mediaPreviewEnabled);
 
         setReblogAndFavCount(status.getReblogsCount(), status.getFavouritesCount(), listener);