New platform roadmap doc; also suppress the colorful bg as it's just distracting.
Some edits in response to commentary by @cheddar
Clarification on sandbox.
Add JSON zip file example.
Edits in response to Howard's feedback.
More edits in response to Howard's feedback.
Additional edits based on Brandon's feedback.
Merge branch 'master' of github.com:tidepool-org/tidepool-org.github.io into kjq/PlatformRoadmap
Merge branch 'master' of github.com:tidepool-org/tidepool-org.github.io into kjq/PlatformRoadmap
Update platform roadmap with links and updated text based on most recent status
Add detail around standalone user features and add a link to the roadmap.
Make EHR lower priority
Many edits based on team meetings.
Merge pull request #16 from tidepool-org/kjq/PlatformRoadmap

New platform roadmap doc