Ref T103, Unified naming of directory functions

* some started with get/some not (removed get, get is normally used for our getters)
* some used swift, getSwiftXZY dir (removed swift)
* used full word "directory", not dir/directory mixed

src/blackcore/pluginmanagerweatherdata.cpp

@@ -67,7 +67,7 @@ namespace BlackCore
 
     QString CPluginManagerWeatherData::pluginDirectory() const
     {
-        return CDirectoryUtils::getBinDir() % QStringLiteral("/plugins/weatherdata");
+        return CDirectoryUtils::binDirectory() % QStringLiteral("/plugins/weatherdata");
     }
 
 }