Adds guide markdown files
 - fees 
 - acas_early_conciliation 
 - writing_your_claim_statement
Markdown renderer service that wraps the Redcarpet implementation
Guide presenter for handling the extraction of the markdown texts
Adds the guides page using the new markdown rendering for the individual guides
Merge branch 'master' of github.com:ministryofjustice/atet into add-guide
Remove unused GuideHelper module
Updates Guides controller and components
Adds specs for guide presenter and markdown renderer
Assert we go through the crazy doubles and return a string from this method
Skip the ensure claim exists filter on the guides controller
Make fees heading a H1 to match the others
Adds a feature spec for the guides.
	- It asserts there is a menu of links that have corresponding divs for hash change events.
	- It asserts the headings are included from the markdown files.
	- It does not assert anything about the content extracted from the markdown files.
Fix interpolated string padding on show page
Merge pull request #157 from ministryofjustice/add-guide

Add Guide