1. Your plugin is incomplete and is missing a valid readme.txt file. Please create one based on this:
http://wordpress.org/extend/plugins/about/readme.txt

Alternately, you can use this tool to generate one:
http://tools.trepmal.com/wp-readme-generator/

A readme.txt is needed so your plugin will display correctly in our repository, but also so we can make sure you're providing the users with all the information they need before they install your plugin. Our goal with this is to make sure everyone knows what they're installing and what they need to do before they install it. No surprises :)

2. You've included the following jQuery in your plugin:
/*! jQuery UI - v1.8.21 - 2012-06-05
* https://github.com/jquery/jquery-ui
* Includes: jquery.ui.core.js, jquery.ui.widget.js, jquery.ui.mouse.js, jquery.ui.draggable.js, jquery.ui.droppable.js, jquery.ui.resizable.js, jquery.ui.selectable.js, jquery.ui.sortable.js, jquery.effects.core.js, jquery.effects.blind.js, jquery.effects.bounce.js, jquery.effects.clip.js, jquery.effects.drop.js, jquery.effects.explode.js, jquery.effects.fade.js, jquery.effects.fold.js, jquery.effects.highlight.js, jquery.effects.pulsate.js, jquery.effects.scale.js, jquery.effects.shake.js, jquery.effects.slide.js, jquery.effects.transfer.js, jquery.ui.accordion.js, jquery.ui.autocomplete.js, jquery.ui.button.js, jquery.ui.datepicker.js, jquery.ui.dialog.js, jquery.ui.position.js, jquery.ui.progressbar.js, jquery.ui.slider.js, jquery.ui.tabs.js
* Copyright (c) 2012 AUTHORS.txt; Licensed MIT, GPL */

ColorBox v1.3.19.3 - jQuery lightbox plugin

/*! jQuery v1.7.2 jquery.com | jquery.org/license */

WordPress includes its own version of jquery, which has been rigorously tested with WP and many of the most common plugins. In order to provide the best compatibility and experience for our users, we ask that you not package your own (especially not an older version) and instead use wp_enqueue_script() to pull in WordPress’s version.

Please review http://codex.wordpress.org/Function_Reference/wp_enqueue_script and update your plugin accordingly.

Keep in mind: Offloading the default jquery and other scripts to Google is similarly disallowed. If your code doesn't work with the built-in jQuery, it's most likely a noconflict issue. If you can't guess, we -really- want you to use our jquery, and if you can't, we need to know why so we can fix things for everyone.

3. You seem to be curcumventing (or hooking into) multiple standard tools of WP, like Plugin_Upgrader(), without explaining why or to what benefit. I think it's a factor of the missing readme, but it's hard to tell.

When you've corrected your code, reply to this email with the updated code attached, or provide a link to the new code.