Graph Discussion (Temporary)

Since commenting directly on lines in github is easier than anything else I can think of, I'm opening this PR to pass feedback to @mtbc. I've marked it "exclude" and it will likely be closed quite soon. ~Josh.

--exclude
+1 for slight more verbosity a la:
```
<bean parent="g" p:matches="G:IGlobal[E]" p:changes="G:[O]"><description>Handle all foos in bar</description></bean>
```