Merge pull request #5 from markholland/feature-13809

Removed room_id from json structure as not used
Merge pull request #6 from markholland/feature-13809

Feature 13809
Merge pull request #7 from markholland/feature-13809

Changed user_ids to speaker_ids
Merge pull request #8 from markholland/feature-13809

Made some speaker elements optional
Merge pull request #9 from markholland/feature-13809

Updated json examples to match new structure
Merge pull request #10 from markholland/feature-13809

Feature 13809
Merge pull request #11 from markholland/feature-13809

Updated event and speaker objects, added track object
Merge pull request #12 from markholland/feature-13809

Changed track_ids to match tracks.json sample
Added values for color and color_text in sample tracks.json