Update pyuv test for latest version of pyuv and tornado-pyuv

maint/test/pyuv/tox.ini

@@ -3,13 +3,11 @@ envlist = py27
 setupdir = ../../..
 
 [testenv]
-# tornado-pyuv is not installable unless pyuv is installed first;
-# listing them both in deps doesn't install them in order.
 commands =
-         pip install git+https://github.com/saghul/tornado-pyuv.git
          python -m tornado.test.runtests --ioloop=tornado_pyuv.UVLoop {posargs:}
 # twisted tests don't work on pyuv IOLoop currently.
 deps =
-     git+https://github.com/saghul/pyuv.git
+     pyuv
+     git+https://github.com/saghul/tornado-pyuv.git
      futures
      mock