/v2/user and /v2/user/badge/:shortname will now return the badgeinstance's evidence field.
Adding API documentation, no longer return evidence when requesting all user badges
/explore and /earn searches now search on additional fields.
Merge pull request #273 from christensenep/send-badge-evidence-to-csol

/v2/user/badge/:shortname now also returns evidence field, search improvements
Improve searching for badges, show evidence urls
Fixing badge recommendations test
Merge pull request #276 from christensenep/275-fix-recommendations-test

Fixing badge recommendations test