Upgrade Extended Categories to 3.6.4

.../plugins/extended-categories-widget/2.8/avh-ec.client.php

...ins/extended-categories-widget/2.8/class/avh-ec.admin.php

...ded-categories-widget/2.8/class/avh-ec.category-group.php

...gins/extended-categories-widget/2.8/class/avh-ec.core.php

...s/extended-categories-widget/2.8/class/avh-ec.widgets.php

...ugins/extended-categories-widget/2.8/css/avh-ec.admin.css

...egories-widget/2.8/js/avh-ec.admin.manualorder.closure.js

...nded-categories-widget/2.8/js/avh-ec.admin.manualorder.js

...-categories-widget/2.8/js/avh-ec.categorygroup.closure.js

...extended-categories-widget/2.8/js/avh-ec.categorygroup.js

...tegories-widget/2.8/js/avh-ec.categorygroup.js.closure.js

.../plugins/extended-categories-widget/3.3/avh-ec.client.php

...ins/extended-categories-widget/3.3/class/avh-ec.admin.php

...ded-categories-widget/3.3/class/avh-ec.category-group.php

...gins/extended-categories-widget/3.3/class/avh-ec.core.php

...s/extended-categories-widget/3.3/class/avh-ec.widgets.php

...ugins/extended-categories-widget/3.3/css/avh-ec.admin.css

...gins/extended-categories-widget/3.3/css/avh-ec.widget.css

...gins/extended-categories-widget/3.3/helpers/avh-forms.php

...d-categories-widget/3.3/images/us_banner_logow_120x60.gif