Make changes and configure a WordPress theme I purchased. - repost

Wordpress and theme are already installed on my web space. Items I need completed: -Change author information in theme stylesheet to info I provide. -Change theme's screenshot to provided file -Add logo -Create pages from list (you will not be required to write the content) -Create menus -Configure sidebars and widgets -Create lead generation and contact forms with Gravity Forms (I have a license and it is already installed). -Install and configure All-in-one seo plugin -Install and configure xml sitemap plugin -Install and configure google analyticator plugin -Install wp better security -Make additions to htaccess file -Install backwpup plugin -Install infinitewp client plugin -Install redirection plugin -Install and configure akisment -Install but deactivate wp super cache