Make PayPal total match OpenCart total

As PayPal uses less precision in its calculations, its total can differ
from the cart total. Calculating subtotal this way ensures they match.
Added send an email to the admin when an affiliate registers.

FIX: replaced '&' for '&' google_sitemap
FIX: replaced the hardcoded string 'tag -' for the new language string $this->language->get('heading_tag')
Merge pull request #726 from ADDCreative/patch30

Make PayPal total match OpenCart total
Merge pull request #727 from e-piksel/master

Added send an email to the admin when an affiliate registers.
made all save buttons primary
minor header update
minor change to header
started to fix the dashboard
user not being able to login fix
removed the session validation completely
Updated ckeditor v4.1.2
Merge pull request #732 from e-piksel/master

Updated ckeditor v4.1.2
updated front awesome and changed the name of the admin home to dashboard.

also half way through finishing g the new admin dashboard.
moved coupons to marketing
moved the contact form to the marketing folder and done some more work on the dashboard.
removed flot ready to add the latest version. updated the admin dashboard and header.
added the latest version of flot
removed some garbage code that should have never been added!
more dashboard work done.