WCMS-291 Added catalog entries to academic programs and created a method to create and return the latest catalog url
changed from has one to has many catalog entries
Remove BioEdition#profile_photo.

We're not using it and don't need it.
fix for empty catalog entries
Merge pull request #120 from biola/remove_bio_profile_photo

Remove BioEdition#profile_photo.
removed catalog_url field and made catalog_url a callable method on the academic program class.
Merge pull request #121 from biola/degree_catalog_url

Degree catalog url
Merge branch 'master' into areas_of_study