translation support fixed and new translations added

core/context.cpp

@@ -50,8 +50,6 @@ void Context::loadPlugins()
     m_plugins.append(new Users);
     m_plugins.append(new Roles);
 
-    qApp->installTranslator(corePlugin->translator());
-
     QDir pluginsDir(qApp->applicationDirPath() + "/../plugins");
 
     foreach (QString fileName, pluginsDir.entryList(QStringList() << "*.so" << "*.dll")) {
@@ -62,9 +60,6 @@ void Context::loadPlugins()
             IPlugin *plugin = qobject_cast<IPlugin*>(p);
             if (plugin != NULL) {
                 plugin->init(pluginLoader.metaData());
-
-                QTranslator *translator = plugin->translator();
-                qApp->installTranslator(translator);
                 m_plugins.append(plugin);
             }
         }