Refactor SpecialistDocumentController
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Send standard markdown to Finder API

This allows the attachment titles and URLs to be searchable.

Also it makes no sense to send custom markdown to a another service.
Move fast_spec_helper.rb to spec root
Merge pull request #71 from alphagov/move-fast-spec-helper

Move fast_spec_helper.rb to spec root
Whitespace.
Merge pull request #70 from alphagov/finder-api-plain-markdown

Send standard markdown to Finder API

https://trello.com/c/dQhEjvaM
Fix problematic merge

fast_spec_helper.rb was moved which caused a subsequent merge to fail.
Merge pull request #44 from alphagov/refactor-controller

Refactor SpecialistDocumentController
Attachments can be updated

* Titles may be changed
* Files may be replaced
* Does not handle cleaning up old assets
* Does not handle or warn if out dated markdown snippets are left in body