- rename pytest_xfail to pytest_skip
- dynamic "skipif" and "xfail" decorators
- move most skipping code to the plugin
also coming with this commit:
- extend mark keyword to accept positional args + docs
- fix a few documentation related issues
- leave version as "trunk" for now
--HG--
branch : trunk
* separate all tests from plugins
* simplify implicit inclusion of plugins under test
* have test_initpkg perform direct checks instead of yielding tests
* fix example tests for 3k
--HG--
branch : trunk