Make the skeleton Facebook plugin and make sure it is loaded

Currently we need to copy manually the plugin dynamic library
to the /plugins folder.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

desktop-widgets/plugins/facebook/facebook_integration.cpp

@@ -0,0 +1,36 @@
+#include "facebook_integration.h"
+
+FacebookPlugin::FacebookPlugin(QObject* parent): QObject(parent)
+{
+
+}
+
+bool FacebookPlugin::isConnected()
+{
+
+}
+
+void FacebookPlugin::requestLogin()
+{
+
+}
+
+void FacebookPlugin::requestLogoff()
+{
+
+}
+
+QString FacebookPlugin::socialNetworkIcon() const
+{
+	return QString();
+}
+
+QString FacebookPlugin::socialNetworkName() const
+{
+	return tr("Facebook");
+}
+
+void FacebookPlugin::uploadCurrentDive()
+{
+
+}