detail page layout
Merge branch 'issue/557/demo' of https://github.com/tangentlabs/django-oscar into issue/557/demo
styling/markup for detail.html(added varients) and basket.html, now using the same js for all carousels, added markup for possible widgets, added checkout navigation, tidied some less(more needed around buttons, navbar)
updated checkout nav, updated icon set, styles/templates for checkout area
Merge pull request #642 from informa/issue/557/demo

Front end for detail.html, promotions, widgets, basket.html, checkout nav