Adding Logic for namespaces in Loader.php + Fixing build

core/API/DataTableManipulator/LabelFilter.php

core/API/Proxy.php

core/API/Request.php

core/API/ResponseBuilder.php

core/Access.php

core/AssetManager.php

core/Auth.php

core/Controller.php

core/DataFiles/SearchEngines.php

core/FrontController.php

core/JqplotDataGenerator.php

core/JqplotDataGenerator/Evolution.php

core/Loader.php

core/Piwik.php

core/Tracker.php

core/Tracker/Visit.php

core/Updates/1.8.3-b1.php

core/ViewDataTable.php

core/ViewDataTable/GenerateGraphHTML.php

core/ViewDataTable/GenerateGraphHTML/ChartEvolution.php