Add job with 3.6 nightly

jenshnielsen · jenshnielsen · commit 73c8e55ff7a1 · 2015-09-15T11:53:04.000+02:00
This job is allowed to fail. Also move the --pre flag to this job
diff --git a/.travis.yml b/.travis.yml
@@ -45,7 +45,10 @@ matrix:
     - python: 2.7
       env: BUILD_DOCS=true MOCK=mock
     - python: "3.5.0rc4"
+    - python: "nightly"
       env: PRE=--pre
+  allow_failures:
+    - python: "nightly"
 
 before_install:
   - source tools/travis_tools.sh
