- Remove the launch screen.
- Add a label explaining where to look for the code and results.
- Delete unnecessary boilerplate code.

The tests are going to use it too

It also clarifies the Cocoapods part for people new to Cocoapods, and links to the sample app for examples on how to use the generated library.

OpenSSL offers 3 ways to express the same thing:

* BIO_ctrl_pending(BIO *)
* BIO_ctrl(BIO *, BIO_CTRL_PENDING, 0, NULL)
* BIO_pending(BIO *)

BoringSSL standardizes on the last of these.

Updated to version 0.9.0a0.

This test will become a suite over coming weeks.
Spin up a server, and send some illegal data to it, and probe that the correct behavior occurs.