beginning to add support for related content.
Adding support for custom data.
Note: This isn't built into buweb yet. We would just need to add the field `custom_data` of type String to whatever objects would use custom data.
adding a helper class for consuming an object's custom data.
Make custom show pages available for academic programs.
Listed related faculty on the biological physical sciences page.
Merge pull request #1 from biola/adding_related_content_support

Adding related content support