Clean up some things. Make skip vote longer. Put in js that should show notifications for skip requests.

src/WebInterface.h

@@ -24,6 +24,7 @@
 #include "GroovePlayer.h"
 #include "db/AudioTrack.h"
 #include "db/User.h"
+#include <Wt/WJavaScript>
 
 class WebInterface : public Wt::WApplication
 {
@@ -42,6 +43,8 @@ public:
 private:
     struct internal;
     internal* priv_int = 0;
+    std::string getNotificationJs(std::string message);
+    Wt::JSlot notificationSlot;
 };
 
 #endif // WEBINTERFACE_H