Squashed commit of the following:

commit 2c5314f9a360c7f41070e164adc5b92172973c65
Author: Chris Lush <chris.lush@gmail.com>
Date:   Fri Aug 2 21:34:45 2013 +0100

    Contact form implemented.

commit 4a8d405d32158bd90809dd68e8732ae5f857b011
Author: Chris Lush <chris.lush@gmail.com>
Date:   Mon Jul 29 19:17:44 2013 +0100

    Hero hover and layout changes.

commit 8ff8a6d9121cc34aa73ff3f4acd17d3b3dfe03bb
Author: Chris Lush <chris.lush@gmail.com>
Date:   Mon Jul 29 16:08:22 2013 +0100

    Moved the preview images so that they are below the navigation menu.

commit ef178d79192b7f721b0cc1fb84945f886d9e383f
Author: Chris Lush <chris.lush@gmail.com>
Date:   Fri Jul 26 00:07:13 2013 +0100

    Initial contact form/homepage stuff

commit 21e6814981865a36598409d664649537285db009
Author: Chris Lush <chris.lush@gmail.com>
Date:   Thu Jul 25 21:52:23 2013 +0100

    Moved videos from the homepage to their relevant tutorial sections.

commit 968a92f3c6c6847466173557e4f5818691575def
Author: Chris Lush <chris.lush@gmail.com>
Date:   Thu Jul 25 21:50:08 2013 +0100

    Added a home button to the navigation bar.