Move field-specific logic to field partial
Remove duplicate form tag from pages update page

Fixes #1257
Add product class management to release notes
Ensure correct image when showing primary product image

5467a8f removed the necessary ordering by display_order when returning
the primary image, causing an undefined ordering if a custom
ProductImage class did not inherit AbstractProductImage's Meta class
(which defines the necessary ordering).

Fixes #1256
Merge pull request #1251 from mbertheau/field-partial-template

Move field-specific logic to field partial
optimize ShippingAddress.order access
optimize reviews slice and count queries
Reviews-related product template tweaks

* Converted tabs to spaces
* Removed a stray "
* Changed wording
Remove linebreaks filter when rendering flatpages

Line breaks are handled by TinyMCE just fine, so it can be safely
removed. Mentioned here:
https://groups.google.com/d/msgid/django-oscar/694e60bf-d3cc-42f2-a5b6-8717fdccd68b%40googlegroups.com?utm_medium=email&utm_source=footer

The filter was added without a comment two years ago in
231e1b87ec0ccca49bd622699d6199fbd02470c8, probably to get the linebreaks
in the fixture working.
Removed all no-break spaces in dashboard.less.
Updated dashboard.css
Merge pull request #1259 from itbabu/fix-dashboard-less

Removed all no-break spaces in dashboard.less.
Minor docs work for ATOMIC_REQUESTS, release notes, deployment advice

Just crossing items off my bucket list.
Ensure stockrecords with no price are handled correctly