Done some tweaking on the workings on the site both front-end improvements & backend optimisation

1. Added YouTube page showing my uploads (see menu)

2. Added one extra front page slide (Linux security)

3. Added punchtab badges code

4. Added backend caching optimisation for quicker site performance

5. Tweaked the menu

6. Added shop category

7. Edited AT&T unlock product page. $6 FOREVER!