* Generates suites from test-containing classes,
unittest.TestSuite-derived classes (Fixtures), and
opencafe DatasetList classes as defined in a flat text file
called a 'brew' (runfile).
* Adds brew package in cafe.drivers.unittest
* Adds arguments, parser and runner modules in brew
package.
* Adds examples directory in repository root directory
* Adds example brewfile in examples directory
* Adds new 'cafe-brew' entry point to setup.py
* Adds unittests for brew package
Change-Id: I379c5b2c4bdf17bc49ce055ef4600b38a72a1140
75039a8cc4