Add test-translation for fr, es_ES, af

Makefile

@@ -47,6 +47,10 @@ test-translations:
 	@echo "Missing translations - for more info run: make translation-stats"
 	@echo "----------------------------------------------------------------"
 	@python scripts/missing_translations.py `pwd` id
+	@python scripts/missing_translations.py `pwd` fr
+	@python scripts/missing_translations.py `pwd` af
+	@python scripts/missing_translations.py `pwd` es_ES
+
 
 translation-stats:
 	@echo
@@ -413,4 +417,4 @@ apidocs:
 	@echo "Building HTML API docs..."
 	@cd docs && $(MAKE) html
 	@echo "HTML API docs has been builded."
-	@echo "You can look it under docs/_build directory.."
+	@echo "You can look it under docs/_build directory.."