extension system update
Merge branch 'master' of https://github.com/opencart/opencart
Merge branch 'master' of git://github.com/opencart/opencart.git
Update upload/admin/language/english/localisation/return_reason.php
a massive update to nearly all files to change the breadcrumb system to start using html5 css3 style breadcrumbs.
Merge pull request #504 from devtsit/patch-10

Update upload/admin/language/english/localisation/return_reason.php
breadcrumb
css breadcrumb update
fix for url install issue

also updated the modification system
modification update
more modifcation work done
Merge branch 'master' of git://github.com/opencart/opencart.git
modification class unfinished
more modification work done
.gitignore update
modification update
Merge branch 'master' of git://github.com/opencart/opencart.git
fixed robots trim