Refactoring and flexibility changes

* Split game module into game and game_interface
* Move core_lib to corelib
* Move miniwindow to corelib
* Introduce init.lua script for initializing the client, giving much more flexibility
* OTClient is no longer Application derived and is much simpler

src/framework/core/configmanager.cpp

@@ -45,7 +45,7 @@ bool ConfigManager::load(const std::string& file)
             m_confsDoc = confsDoc;
         return true;
     } catch(stdext::exception& e) {
-        g_logger.error(stdext::format("Unable to load configuration file: %s", e.what()));
+        g_logger.error(stdext::format("Unable to parse configuration file '%s'", e.what()));
         return false;
     }
 }