Revert Pull Request #913

There is debate about the phrasing as people can also self certify

This reverts commit 6a269ecc0269a6e40dce405c5cf5fd03a9dd3090.
Handle invalid URIs

There is some data that is causing the /status page to 500
Merge pull request #927 from theodi/hotfix-handle-invalid-uri

Handle invalid URIs
Extract finding hostname to single place
Return csv when EmbedStats are missing datasets
Expose data to views as helper methods

Instead of overriding methods to insert instance variables.
Stop emailing travis-ci failures

Rely on notifcations on #theodi and dashboards
Merge pull request #930 from theodi/hotfix-account-update-page

Expose data to views as helper methods
Merge pull request #929 from theodi/hotfix-embed-stats-csv

Hotfix embed stats csv
Don’t default host setting to pow default

The app is guaranteed to be run under pow or to be named the same
Silence a deprecation warning and use new default

This setting changes in rails 4.0.2 to validate locales are correct and
in tests Use a locale that exists as they are now validated
Fix a copypaste error and cover with tests
Use other quotes instead of escaping

Just to make it a bit more readable.
Render generation result even if there is no user email
Use user model method
Use delegator instead of duplicating nil checks
Use boolean type instead of a string

  * JSON can encode true/false values as literals so no need to use strings
  * Lack of value will still count as false
  * "true" via counts as true so will still work,
  * "false" is still not #blank? so it would’ve behaved as true previously
No need to define `campaign` as nil

The assignment to `campaign` in the if block still creates the variable in local scope and it is defaulted to nil
Use ActiveRecord#increment!
Limit certificate campaigns to the creating user

If another user creates a campaign of the same name it shouldn’t
add to another users campaign