Merge branch 'master' of github.com:theodi/open-data-certificate into feature-mexico-questionniare
Add basic campaign list
add show action for campaign
Merge pull request #897 from theodi/feature-track-campaigns

Campaign UI
Style tweaks
Merge pull request #900 from theodi/feature-admin-powers

Allow admin to switch users
Merge pull request #901 from theodi/feature-mexico-questionniare

Mexico questionniare
Don't error if explanation has been given
Add explanation field to start page
Show error and explanation box if URL errors
Update explanation when an explanation is given
Rescue if ODIBot throws an error
Check response code rather than nil
Reuse explanation class from main survey
Styling
Support non-js users
Stub documentation_url_explanation
Hide popover after a few seconds
Remove debugger
Merge branch 'bugfix-dont-error-when-explanation-given' into staging