Mention fill-database in Getting Started guide.

Review Request #7650 — Created Sept. 19, 2015 and submitted — Latest diff uploaded

Information

Review Board
release-2.0.x
477501c...

Reviewers

There's a handy script for injecting dummy data into the database
for development instances of Review Board. Up until this patch, we
didn't really make it obvious that this script is available.

Built the docs, read the section I'd added.