Visual, HTACCESS and JS changes

Sorted a bit of spelling and indentation, added several rules to the .htaccess file (harden security + ensure that deflation is goin'), and moved the JS calls to the footer, to improve performance (as JS always loads synchronously, and blocks anything else from downloading). The jQuery library in /assets/js has been updated from 1.5.x to 1.7.1.

Perhaps an option to add an option to use a library from the Google/Yahoo CDN, or something, as that is generally faster. Just going to think about that!

Due to the company proxy, I have done the editing all on Github itself, so sorry for any problems that this may have caused!