Change Travis configuration to use stages in CI

Fix #221

.travis.yml

@@ -1,5 +1,16 @@
 sudo: false
 language: python
+
+notifications:
+  irc:
+    channels:
+    - 'chat.freenode.net#pytest'
+    on_success: change
+    on_failure: change
+    skip_join: true
+  email:
+  - pytest-commit@python.org
+
 python:
 - '2.6'
 - '2.7'
@@ -10,32 +21,31 @@ env:
 - TOXENV=py-pytest30
 - TOXENV=py-pytest31
 - TOXENV=py-pytest32
-install: pip install tox setuptools_scm
-matrix:
-  include:
-  # note: please use "tox --listenvs" to populate the build matrix
-  - python: "3.6"
-    env: TOXENV=flakes
-  - python: "3.6"
-    env: TOXENV=readme
 
+install: pip install tox setuptools_scm
 script: tox
-notifications:
+
-  irc:
+jobs:
-    channels:
+  include:
-    - chat.freenode.net#pytest
+    - stage: test
-    on_success: change
+    # python x env above are already included into this stage
-    on_failure: change
+    - python: "3.6"
-    skip_join: true
+      env: TOXENV=flakes
-  email:
+    - python: "3.6"
-  - pytest-commit@python.org
+      env: TOXENV=readme
-deploy:
+
-  provider: pypi
+    - stage: deploy
-  user: ronny
+      python: '3.6'
-  skip_upload_docs: true
+      env:
-  password:
+      install: skip
-    secure: 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
+      script: skip
-  on:
+      deploy:
-    tags: true
+        provider: pypi
-    distributions: sdist bdist_wheel
+        user: ronny
-    repo: pytest-dev/pytest-xdist
+        skip_upload_docs: true
+        password:
+          secure: cxmSDho5d+PYKEM4ZCg8ms1P4lzhYkrw6fEOm2HtTcsuCyY6aZMSgImWAnEYbJHSkdzgcxlXK9UKJ9B0YenXmBCkAr7UjdnpNXNmkySr0sYzlH/sfqt/dDATCHFaRKxnkOSOVywaDYhT9n8YudbXI77pXwD12i/CeSSJDbHhsu0JYUfAcb+D6YjRYoA2SEGCnzSzg+gDDfwXZx4ZiODCGLVwieNp1klCg88YROUE1BaYYNuUOONvfXX8+TWowbCF6ChH1WL/bZ49OStEYQNuYxZQZr4yClIqu9VJbchrU8j860K9ott2kkGTgfB/dDrQB/XncBubyIX9ikzCQAmmBXWAI3eyvWLPDk2Jz7kW2l2RT7syct80tCq3JhvQ1qdwr5ap7siocTLgnBW0tF4tkHSTFN3510fkc43npnp6FThebESQpnI24vqpwJ9hI/kW5mYi014Og2E/cpCXnz2XO8iZPDbqAMQpDsqEQoyhfGNgPTGp4K30TxRtwZBI5hHhDKnnR16fXtRgt1gYPvz/peUQvvpOm4JzIzGXPzluuutpnCBy75v5+oiwT3YRrLL/Meims9FtDDXL3qQubAE/ezIOOpm0N5XXV8DxIom8EN71yq5ab1tqhM+tBX7owRjy4FR4If2Q8feBdmTuh26DIQt/y+qSG8VkB9Sw/JCjc7c=
+        on:
+          tags: true
+          distributions: sdist bdist_wheel
+          repo: pytest-dev/pytest-xdist