Several updates

• Updated style CSS (added heading 4 + changed the space between heading
and text/sub-heading)
• Updated all pages with heading 4 and some other formats
• Changed year to 2014.
• Replaced Getting started doc on “Get SEQR app”.
• Updated “Services”.
• Added “Set up environment” – can be removed if not necessary!
• Added “Loyalty” – choose sequence diagram! Can be inactivated if not
suitable