added nextgen gallery plugin

wp-content/plugins/nextgen-gallery/admin/about.php

wp-content/plugins/nextgen-gallery/admin/addgallery.php

wp-content/plugins/nextgen-gallery/admin/admin.php

wp-content/plugins/nextgen-gallery/admin/ajax.php

wp-content/plugins/nextgen-gallery/admin/album.php

...ent/plugins/nextgen-gallery/admin/css/images/dropdown.png

.../nextgen-gallery/admin/css/images/ui-anim_basic_16x16.gif

...tgen-gallery/admin/css/images/ui-icons_222222_256x240.png

...tgen-gallery/admin/css/images/ui-icons_cccccc_256x240.png

...tgen-gallery/admin/css/images/ui-icons_ffffff_256x240.png

wp-content/plugins/nextgen-gallery/admin/css/jquery.ui.css

...tent/plugins/nextgen-gallery/admin/css/jquery.ui.tabs.css

wp-content/plugins/nextgen-gallery/admin/css/menu.css

...tent/plugins/nextgen-gallery/admin/css/nggColorPicker.css

wp-content/plugins/nextgen-gallery/admin/css/nggSorter.css

wp-content/plugins/nextgen-gallery/admin/css/nggadmin.css

wp-content/plugins/nextgen-gallery/admin/css/tags-admin.css

wp-content/plugins/nextgen-gallery/admin/edit-thumbnail.php

wp-content/plugins/nextgen-gallery/admin/functions.php

...tent/plugins/nextgen-gallery/admin/images/icon-amazon.gif