this merge contains:
* a new plugin architecture
* a pluginized pytest core
* many pytest related refactorings
* refactorings/streamlining of pytest's own tests
--HG--
branch : trunk
a new class py.path.SvnAuth of which instances store user credentials and
auth config, and can be passed to py.path.svnurl and py.path.svnwc objects
to control SVN authentication behaviour.
--HG--
branch : trunk
of which are not only used for building the navigation, but also to actually
tell py.test where docs should be generated. Also cleaned up and fixed the
situation regarding relative links in the navigation menu and stylesheet/js
paths.
--HG--
branch : trunk