Correctly set search query's identity ID using value object.
Add ability to search by verified second factor ID.
Serialise verified second factor registration code.
Correct Doctrine migrations name.
Add ability to search unverified second factor by verification nonce.
Add registration authority list resource.
Add docblock to JsonCollectionResponse.

Parameter types were missing and also messed up in PhpStorm.
Include a list of RAs in the registration e-mail.
Merge pull request #36 from SURFnet/feature/display-code-list-ras

Add features needed for displaying the registration code and a list of RAs on screen in the Self-Service, and include a list of RAs in the registration mail.