Hooked up Engagement Index with API

https://jira.ets.berkeley.edu/jira/browse/CYB-82

PR crucial for today's meeting

Hooked up @richcreationsrc Engagement Index with DataCulture's API
DataCultures can query it's DB and bring relevant information to Engagement Index
I guess I don't need to comment them out; These seed code blocks are just here if we need to use them. But I'd rather they not be run on every migration. However, I can remove them if you want.