Add respond_to blocks to controller methods

Stops 500 errors when accept headers explicitly sent
Override high_voltage to add respond_to block
Add middleware to send Content-Location header
Merge branch 'master' of github.com:theodi/open-data-certificate into feature-content-negotiation

Conflicts:
	config/application.rb
We don't need you middleware
Add alternate_rails gem
Add before_filter hook to load alternate_rails stuff
fix to pddl identifier

I'd changed this id in the UK version, but not in the other EU
jurisdictions
added initial map code, not interactive as yet
Resolved Issue 269: Removed devise/shared/links on Forget Password Page
Merge pull request #492 from theodi/fix-pddl-id

fix to pddl identifier
Merge pull request #489 from theodi/feature-content-negotiation

Fix content negotiation issues
Merge pull request #519 from Pavling/RemoveSignInSignUpFromForgotPasswordPage

Resolved Issue 269: Removed devise/shared/links on Forgot Password Page
changed country names to 2 letter codes
corrected header tab in country names
updated map to example with country names
added jurisdictions controller
provide details of jurisdictions
send the access_code for the map
transitions between jurisdictions and links to create