Issue/Bug Tracker (PHP/MySQL)

Greetings - We are looking for a developer (or company) who can create a comprehensive, web-based issue tracking system using PHP and MySQL. We want the system to be similar in function to Mantis Bug Tracker ([login to view URL]) but a little more simplified. Though we have yet to create a complete functional spec, here are the top features: • Must NOT be based on open-source code. This code will be made for resale, so no part of it can be based on open-source code. • This is a work for hire and by accepting this project you relinquish all stakes on any sales of this product. • Our designer will provide design files. Contractor (you) will integrate design elements into the finished project. • Simple User Experience • Web Based • Unlimited projects • Support for Projects, Sub-Projects, and Categories. • Users can have a different access level per project • Search and Filter • Full Text Search • Simple/Advanced Filters • Built-in Reporting; printable reports • Custom Fields (editable by admin users only) • Attachments (attached to each issue; can be saved on webserver or in database) • Issue Change History • Self-Service Reset Password Support • Export to csv • Report issues via a custom "mini" form • No limit on the number of users, issues, or projects. • Public / Private Projects - Public project accessible to all users, private are only accessible to those explicitly added. Please submit a budget range along with information about your capabilities. Thanks!