New header design for DVLA …
• add page exceptions for DVLA to org show and header partial
• create new partial

https://www.pivotaltracker.com/story/show/60502276
Ensure we handle malformed CSV files
Merge pull request #1065 from alphagov/new-DVLA-header-design

New dvla header design

https://www.pivotaltracker.com/story/show/60502276
remove underline from org logo add in for hover
Don't eager load organisations in home#feed

Some concrete Editions have organisations assocations and some (notably
SupportingPage) don't. ActiveRecord is doing some voodoo that means you
can do Edition.includes(:organisations) even though Edition doesn't have
an organisations assocation and it'll work unless it gets back a
SupportingPage in the results.
Merge pull request #1086 from alphagov/csv-preview-robustness

Ensure we handle malformed CSV files

https://www.pivotaltracker.com/story/show/60067112