Fix access_fn in Dashbiard navigation
Update oscar/apps/dashboard/nav.py
#593 Moved the lang form to the right and removed the icon -- added the bootsrap class navbar-form to the form element.
#566 Added a similar table as basket totals to the thank you page
35 Added a max-width of 90% to .image_container img to fix thumbnail padding issue
#334 Added offer description and upsell message into one .well container - with some typo hierarchy.
Move language select to left-hand corner
Move title into headertext block (not in well)
Merge pull request #615 into releases/0.5

Fixes #593, #566, #535, #334
#593 halved width of select, removed surrounding ul.nav (not needed)
Fix broken offer report generation

Was assuming model instance, but got a dict.
Support other slugifier function
Add doc on handling migrations when upgrading

Fixes #608
Add product carousel to offer list page

This commmit moves the loading of a product queryset for an offer from
the offer view to the offer model.  This allows it to be used in the
`list.html` template for offers.

Part of #596 - still needs some FED love from @informa though.
Merge pull request #532 into releases/0.5
Merge pull request #580 into releases/0.5
Add missing settings to docs

Plus some general reorganisation.
Fix a few sphinx warnings
Rework the docs index page
Adjust coverage to only include oscar package