feat(courses-min): add faculty field to courses-min result set
feat(courses-min): add faculty field to courses-min result set

/api/courses-min returns an additional field, 'faculty' in each result object.
'faculty' is a human-readable name for the faculty, like "Faculty of Business"

Closes #14

ahoskins/Winston,ahoskins/Winston,rosshamish/classtime,rosshamish/classtime