First attempt to use appveyor for windows builds

appveyor.yml

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+environment:
+
+  matrix:
+
+    # For Python versions available on Appveyor, see
+    # http://www.appveyor.com/docs/installed-software#python
+    # The list here is complete (excluding Python 2.6, which
+    # isn't covered by this document) at the time of writing.
+
+    - PYTHON: "C:\\Python27-x64"
+    - PYTHON: "C:\\Python35-x64"
+
+install:
+  # We need wheel installed to build wheels
+  - "%PYTHON%\\python.exe -m pip install wheel"
+  - "%PYTHON%\\python.exe -m pip install scipy"
+  - "%PYTHON%\\python.exe -m pip install paramz"
+  - "%PYTHON%\\python.exe -m pip install matplotlib"
+
+build: off
+
+test_script:
+  # Put your test command here.
+  # If you don't need to build C extensions on 64-bit Python 3.3 or 3.4,
+  # you can remove "build.cmd" from the front of the command, as it's
+  # only needed to support those cases.
+  # Note that you must use the environment variable %PYTHON% to refer to
+  # the interpreter you're using - Appveyor does not do anything special
+  # to put the Python evrsion you want to use on PATH.
+  #- "build.cmd %PYTHON%\\python.exe setup.py test"
+
+after_test:
+  # This step builds your wheels.
+  # Again, you only need build.cmd if you're building C extensions for
+  # 64-bit Python 3.3/3.4. And you need to use %PYTHON% to get the correct
+  # interpreter
+  - "build.cmd %PYTHON%\\python.exe setup.py bdist_wheel"
+
+artifacts:
+  # bdist_wheel puts your built wheel in the dist directory
+  - path: dist\*
+
+#on_success:
+#  You can use this step to upload your artifacts to a public website.
+#  See Appveyor's documentation for more details. Or you can simply
+#  access your wheels from the Appveyor "artifacts" tab for your build.