ui: Indexing UI

* Added DialogView with QtDialogView implementation to handle information dialogs
* Implemented QtIndexingDialog class that covers all different dialogs for indexing
* Directly communicate with DialogView from Prpject and all Tasks involved in indexing
* Block QtMainWindow UI while indexing

src/app/main.cpp

@@ -96,6 +96,7 @@ int main(int argc, char *argv[])
 		QtNetworkFactory networkFactory;
 
 		utility::loadFontsFromDirectory(ResourcePaths::getFontsPath(), ".otf");
+		utility::loadFontsFromDirectory(ResourcePaths::getFontsPath(), ".ttf");
 		Application::createInstance(version, &viewFactory, &networkFactory);
 		ScopedFunctor f([](){
 			Application::destroyInstance();