Add swift "in-process" functional test runs

The swift code base now allows for the running all of the functional
tests against a set of in-process servers. The functional tests, which
are nose based, run entirely with-in the process from which nose is
invoked, allowing for coverage collection and / or test development.

Change-Id: I2d98ff7c5f0fc3401cf154c59b71116bcc538eae
Merge "Add swift "in-process" functional test runs"