Synnefo

burnin: Add PithosTestSuite

burnin: Use descriptors as test attributes

Since each instance of the TestCase will only be used to run a single
test method (a new fixture is created for each test) the attributes can
not be saved in the class instances. Instead we use descriptors.

burnin: Create a new module to split up codebase

burnin: Implement StaleServersTestSuite

This testsuite is used to inspect and delete stale servers
(servers left from previous burnin runs).

snf-ci: Update burnin command line parameters

Add the kamaki_version parameter to the ci config file.
Using this parameter the user can specify a version of kamaki
to be used (mostly by burnin).

Force the use of version 0.11next-1811-197b413 for kamaki,...