start reorganizing docs, write more docs, shift plugin docs, to proper documentation,

use sphinx, remove old docs ... work in progress.

--HG--
branch : trunk

example/funcarg/urloption/conftest.py

@@ -0,0 +1,15 @@
+# conftest.py
+import py
+
+
+def pytest_addoption(parser):
+    grp = parser.getgroup("testserver options")
+    grp.addoption("--url", action="store", default=None,
+        help="url for testserver")
+
+def pytest_funcarg__url(request):
+    url = request.config.getvalue("url")
+    if url is None:
+        py.test.skip("need --url")
+    return url
+