Improves tox for py3k

requirements/test-py3k.txt

@@ -1,4 +1,3 @@
 nose
 nose-cover3
 coverage>=3.0
-PyYAML

tox.ini

@@ -7,11 +7,26 @@ sitepackages = False
 commands = nosetests
 
 [testenv:py32]
+recreate = True
 basepython = python3.2
 changedir = .tox
 commands = pip -E {envdir} install -r ../requirements/default.txt
            pip -E {envdir} install -r ../requirements/test-py3k.txt
-           nosetests -v kombu.tests
+           nosetests -vd kombu.tests                            \
+                --with-coverage3                                \
+                --cover3-branch                                 \
+                --cover3-xml                                    \
+                --cover3-xml-file=coverage.xml                  \
+                --cover3-html                                   \
+                --cover3-package=kombu                          \
+                --cover3-exclude="kombu kombu.utils.*           \
+                                  kombu.transport.pypika        \
+                                  kombu.transport.pycouchdb     \
+                                  kombu.transport.mongodb       \
+                                  kombu.transport.beanstalk"    \
+                --with-xunit                                    \
+                --xunit-file=nosetests.xml
+
 
 [testenv:py27]
 basepython = python2.7