CYB-85 Move servics from app/models to app/services
CYB-85 Move servics from app/models to app/services.  Making API more consistent internally and with Rails standards.
CYB-85 spec cleanup for service renaming.
Merge pull request #25 from coyote/move_to_services_folder

Move to services folder
Hooked up Engagement Index with API; Also can query DB for Engagement Index Data
Merge pull request #27 from NolanChan/CYB-82-final

Hooked up Engagement Index with API
[nojira] -- Ready to demo; Removed button header sort; Made code more efficient; Fixed current user highlighting
[nojira] - Removed inline style and repetitive code, and fixed page redirection code
[nojira] -- Removed cursor:hand, Changed 0px to 0
Merge pull request #28 from richcreationsrc/engagement-index-ready-read-data

[nojira] -- Engagement Index Ready to Demo
Integrated Gallery into DataCultures: images and videos load properly