use namespaces, part 7 [0.6.0]

This version introduces multiple enhancements:

Core_Shell changed to use namespaces

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

Modified:   Lib/Core/Shell/Helper/Cache.php
            -- Added --
                usage of Core\Shell\Model\ModelAbstract, Core\Disc\Helper\Common and Core\Shell\Helper namespace
            -- Updated --
                _removeMatchedFiles new class name

Modified:   Lib/Core/Shell/Helper/Diagnose.php
            -- Added --
                usage of Loader, Exception, SplFileinfo,Core\Db\Helper\Mysql, Core\Disc\Helper\Common, Core\Blue\Model, Core\Shell\Model\ModelAbstract and Core\Shell\Helper namespace
            -- Updated --
                _readDirectory new class name
                _getConfiguration new class name
                _databaseAccess new class name

Modified:   Lib/Core/Shell/Model/ModelAbstract.php
            -- Added --
                usage of Loadert and Core\Shell\Model namespace

Modified:   Lib/Core/Shell/etc/config.ini
            -- Modified --
                changed version from 0.5.0 to 0.6.0