add boost in because wt seems to now complain about it. Remove first song change message as it's unlikely anyone will encounter it with other events firing soon after. Start cleaning up some container/layout mess. Implement trackdetails and show this on the play controls.

src/GroovePlayer.cpp

@@ -221,14 +221,6 @@ void GroovePlayerMgr::grooveEventLoop()
     //Now boostrap player with initial data
     groove_player_attach(player, playlist);
     groove_playlist_play(playlist);
-    Wt::WServer::instance()->postAll([&]() {
-        Wt::WApplication* app = Wt::WApplication::instance();
-        if(app != nullptr)
-        {
-            static_cast<WebInterface*>(app)->songChangedFromServer(currentTrack);
-        }
-    }
-    );
     
     //Now start loop
     while(getInstance()->continueEventLoop)
@@ -243,6 +235,7 @@ void GroovePlayerMgr::grooveEventLoop()
         {
             currentSkipRequester.clear();
             currentTrack = getCurrentTrackDB(&sqlSession);
+            getPictureFromTrack(&currentTrack);
             //Pick new batch of tracks to vote on and inform UI of update.
             currentVoteBatch = getNextVoteBatch(&sqlSession);
             currentVoteStatus = std::list<std::pair<AudioTrack, int>>();