Try this:
Remove all the following js scripts you have loaded in your document:
<script src="js/bootstrap.min.js"></script>
<script src="js/bootstrap-collapse.js"></script>
<script src="js/bootstrap-carousel.js"></script>
And just keep the following in that same order (jQuery goes first)
<script src="js/jquery-1.7.2.min.js"></script>
<script src="js/bootstrap.js"></script>
The problem i believe is that, aside from loading the same script files multiple times (the bootstrap js file has all the plugins included already so no need to include the min version (save it for production for now) or the single separate script files), you're not loading the transition script included inside the bootstrap.js file because of the order that your scripts are loading in.
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