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
Write real specs or remove the file, please.  It's not good to have it here just as a placeholder, it is easy to be misled into thinking there is coverage when there isn't.