use namespaces, part 4 [0.6.0]

This version introduces multiple enhancements:

Core_Render changed to use namespaces

Details of additions/deletions below:
--------------------------------------------------------------

Modified:   /Lib/Core/Render/View/Grid/GridAbstract.php
            -- Added --
                usage of Loader, Core\Blue\Model, Core\Render\View and Core\Render\View\Grid namespace
            -- Updated --
                _getDataFromFow new class name

Modified:   /Lib/Core/Render/View/Grid/Row.php
            -- Added --
                usage Core\Render\View\Grid namespace

Modified:   /Lib/Core/Render/View/ViewAbstract.php
            -- Added --
                usage of Loader, Exception, Core\Blue\Model, Core\Incoming\Model and Core\Render\View namespace
            -- Updated --
                some documentation changes
                _prepareTemplateUrl new class name
                _getMarkersFromSession new class name
                _convertPathMarkers new class name
                _templateCache new class name

Modified:   /Lib/Core/Render/etc/config.ini
            -- Modified --
                changed version from 0.5.5 to 0.6.0