Describe the charts that we render for each project

Submitted by Wayne Beaton @wbeaton

Link to original bug (#544357)

Description

We should describe, for example, that only member companies are listed and that committers who do not work for a member company are listed as "unaffiliated".

Q: what do I do if my contributions are not being properly attributed to my company?

A: Set your company affiliation in accounts.eclipse.org