Working on the new layout for the install page.
Added browser language detection and pulls in any matching language pack advert.

Added ajax loaded extension selection.

@todo language strings, responsive testing, maxmind/openbay setup pages and paid-banner location.
Added language strings to step 4 install page.
Added Maxmind set-up after the install.
Added OpenBay module setup from install page.

@todo language strings and move images to cloudfront.
sum sold quantities in bestseller products
Finished OpenBay module page on install confirmation page.
up0dates tot he module cart box and also the custom fields
Added missing "terms" array element in realex gateway.
Added fix for weight based shipping when no rates can be matched, now returns an error message.
custom field work.

also fixed some missing date time js replacements
Merge branch 'master' of https://github.com/opencart/opencart
more custom field work done
custom fields
https://github.com/opencart/opencart/issues/1266
update to custom fields
address book fix
custom field update
more custom fields done
removed testing code quickcheckout
changed div text-danger to span
update for text-danger