Added class EIImageService

EIImageService is the main GenericInterface::Service who manage the
application's specific stuff.

app/Services/EIImageService.cpp

+#include <GenericInterface.h>
+
+#include "EIImageService.h"
+
+using namespace genericinterface;
+using namespace std;
+
+EIImageService::EIImageService(GenericInterface* gi) {
+    _gi = gi;
+    _operationBar = new OperationBar();
+}
+
+void EIImageService::display(GenericInterface* gi)
+{
+    QDockWidget* _operationDock = new QDockWidget("Oprations", gi);
+    _operationDock->setWidget(_operationBar);
+    gi->addDockWidget(Qt::LeftDockWidgetArea, _operationDock);
+}
+
+void EIImageService::connect(GenericInterface* gi)
+{
+}
\ No newline at end of file

app/Services/EIImageService.h

+#ifndef EIIMAGESERVICE_H
+#define EIIMAGESERVICE_H
+
+#include <Service.h>
+#include <Plugin.h>
+
+#include "../Widgets/OperationBar.h"
+
+class EIImageService : public QObject, public genericinterface::Service
+{
+  Q_OBJECT
+  public:
+    EIImageService(genericinterface::GenericInterface* gi); 
+    void display(genericinterface::GenericInterface* gi);
+    void connect(genericinterface::GenericInterface* gi);
+
+  public slots:
+
+  private:  
+    genericinterface::GenericInterface* _gi;
+    OperationBar* _operationBar;
+};
+
+#endif