Split test cases

Change-Id: I41772c64dcb84c60749ec4df339f9e082a75f9a0
Remove usage description from script

Identical information is given in the readme.

Change-Id: Iaa629aa245a65f06084309bebd5e7cd615dac142
Use env to find path to bash

Change-Id: Id9b093fb6b11a43e862266f97b7827252534a76d
Bring API documentation up-to-date.

Change-Id: I75df7a5ce2a23cc2117b32a51b6a6ff1d9d76a99