Add a Markdown capability for the web API.

Review Request #5223 — Created Jan. 8, 2014 and submitted — Latest diff uploaded

Information

Review Board
master

Reviewers

Add a Markdown capability for the web API.

This adds a capability for the web API to indicate that we support
Markdown formatting for text. It can be used by clients to better
decide what data to pass to the API.

Unit tests pass.