Robert Collins 713468b6d1 Explain API projects a little.
I was thoroughly confused, and suspect others without direct
experience may be too.

Change-Id: I9003eeaefc7734ef360ff893cec8c828fd51f254
2013-09-23 17:27:22 -04:00
..
2013-09-23 17:27:22 -04:00